Humans drool in anticipation of food, when asleep, and for other reasons. For this trope, a character drools because they are acting/thinking in a perverted manner. Sometimes accompanied by leering. If a character does this while they are doing Attempted Rape of another character it helps to make them even more depraved.
- Asteroid in Love: Moe does this several times.
- In Chapter 5 (adapted in episode 2), it's revealed that Mari has been taking candid shots during the entire Picnic Episode. Moe says she's going to buy those pictures while doing this as she takes out 3,000 yen in cash.
- In Chapter 8 (adapted in episode 3), Mai designed a Treasure Map game for Mira, Ao and Moe. Since it turns out Mai designed the game based on her own school life, and Moe's stated hobby is "collecting girls' data"...
Moe: (Drools) I have no idea you can actually enjoy maps this way...
- Black Butler:
- Sullivan does this in chapter 91 after hiring Sebastian as her butler.
- Undertaker does this in anticipation of witnessing something funny.
- A guy does this in anticipation of torturing Sebastian in episode 20 and commenting on his attractiveness.
- Grell does this when fantasizing about Sebastian in episode 10.
- When Edward flirts with a lady in chapter 222 she does this while blushing and releasing heart marks.
- Chizuru sometimes does this when in the presence of another female.
- The Vandenreich brings two new ones.
- Giselle Gewelle has the ability to turn people into her zombified slaves by getting her blood on them and her interaction her female zombie and former friend, Bambietta, includes said zombie begging her for something unspecified while drooling and getting slapped around like some kind of fetish porn only make it worse. The fact that she's outright accused at one point of "smelling like semen" does nothing to help her case.
- The next is Pepe Waccabrada, a fat guy with a Santa beard, wifebeater, and sunglasses with the ability to force people, presumably of any gender or sexuality, to fall in love with him. The first girl he uses it on literally drools over him and the fact that she called him disgusting before that can give the implication that the Power Perversion Potential is more than just subtext.
- Master Roshi from the Dragon Ball franchise is known to drool in the presence of a sexy lady, Bulma also sometimes drooled in the earlier part of the anime when she saw a man she found attractive.
- In the Full Metal Panic! manga, there's a Camp Gay substitute swim teacher who takes an immediate interest in Sousuke and his abilities — an interest which apparently involves blushing, drooling, and having thoughts which are way too suggestive to not be taken as Hot for Student.
- the Garden of sinners: Shirazumi does this to Shiki, drooling all over her after ripping open her kimono with his teeth.
- Hetalia: Axis Powers:
- France sometimes does this when he's being his usual lecherous self. It's one of the ways he shows attraction to the other nations.
- Hungary's a Yaoi Fangirl who will coo at the sight of two little boys getting affectionate, drool at her husband getting molested, and also has a thing for bara (she was upset when something "rosy" did not involve manly men making out.
- In Hunter × Hunter Biscuit briefly drools while staring at a naked Hisoka before catching herself.
- Koharu of Koharu no Hibi sometimes does this in regards to her Yandere crush on Akira.
- Captain Continental prepares to rape Jonathan in Legend of the Blue Wolves and appears to wipe some drool from his face.
- Tsukuyomi drools, blushes, and pants during her duel with Setsuna in Negima! Magister Negi Magi.
- In Maid-Sama! Yukimura is kissed by Usui and Misaki reacts by looking shell shocked and drooling a bit suggesting she is Yaoi Fangirl.
- Saikawa does this several times in chapter 3 of Miss Kobayashi's Dragon Maid: Kanna's Daily Life in response to Kanna being cute. Her sister tells her to close her mouth before she gets her clothes dirty.
- Naruto: In Konoha Gakuen Den, "Orochimaruko" is portrayed as a transvestite ephebophile who's after Sasuke, which, in turn, ends up Squicking most of the cast. Strangely enough, with the exception of Sasuke himself who drools at the sight.
- My Hero Academia has the infamous Minoru Mineta, who is shown several times over the course of the series literally drooling over the girls in his class. A waterfall springs from his mouth at the thought of just seeing the girls' dorm rooms.
- In Perfect Blue Me-Mania tries to rape Mima and drools while doing so.
- In Rosario + Vampire Routier does this as she's attacking Fong Fong with a chainsaw.
- In the show's OP, Ayame is seen drooling while using a pair of panties to clean a metal bar, by pretending to give it a hand-job.
- Anna does whenever she's lusting after Tanukichi, usually with a Luminescent Blush. Also seen both times that she facesits him.
- Queen's Blade: Hide & Seek: Elina is shown doing this twice:
- It happens at the beginning of the first chapter while she's dreaming about reuniting with Leina. But, when she awakes, she realizes she's drooling and snuggling with her duvet and tears it to shreds, out of indignation.
- The second instance is in chapter 20, which shows Elina drooling while having an Imagine Spot of cuddling with her elder sister Claudette; complete with hearts and bishie sparkling.
- In To Love Ru, Momo does this often when thinking of Rito. Often accompanied by an Imagine Spot.
- Chizuru of YuruYuri does this whenever she's daydreaming about her twin sister Chitose with their friend Ayano. She is as much of a Covert Pervert as Chitose. However, Chitose nosebleeds over her fantasies, and hers revolve around Ayano with Kyouko instead.
- Ataru from Urusei Yatsura sometimes does this when he has perverted thoughts, such as the promise that he gets to have sex with Princess Kurama after awakening her with a kiss.
- Used in Sturmtruppen. Exaggerated when the Sergeant (who was waiting for the new recruits to torture) starts foaming in pleasure.
- A few Smurfs have their tongues dropping out of their mouths in The Smurfs story "You Don't Smurf Progress" when Smurfette is locked up with them wearing only her lingerie. Greedy does this earlier on when he tries to sneak a peek at Smurfette during an outdoor Shower Scene.
- Hetalia: Axis Powers fanfic Kanashī, Wütend, Desolato, a What If? for Gankona, Unnachgiebig, Unità: Let's just say Germany and Japan did so tearing apart Italy's Sailor Moon cosplay.
- Naru-Hina Chronicles: In Chapter 86, this is the unconscious Jiraiya's reaction after Tsunade kisses him.
- In A Shield of Man, Arya II, Arya at one point stares at Gendry, unaware that her saliva is dripping out of her mouth until Blob and Toad point it out to her, much to her chagrin.
- LeFou of Beauty and the Beast goes gaga when he sees the Bimbettes. This ends when they "accidentally" spray him with water.
- In the spoof film Epic Movie, a parody of Mystique drags Peter into a tent in order to have sex with him. She asks him what he'd like her to shapeshift into. He at first chooses more conventionally attractive features such as larger boobs and a bigger ass. He then asks for a monobrow, getting really excited over it. Finally, he asks for "Big Flabby Grandma Arms"/"Bingo Wings like a fat blue Britney Spears." He is visibly drooling at this sight and is the final thing he requests before she has his way with him.
Peter: (Visibly drooling) Now that's what I'm talking about...
(Cut to her all fat and flabby flapping her bingo wings)
Peter: ...Come here!
(We zoom in on her face as she wiggles her tongue and he pulls her down to make out with her.)
- The Naked Gun has Frank talking about his life of constant casual debauched sex, leaving his very-married associate Ed literally foaming at the mouth.
- Shantae: Half-Genie Hero: Bolo's first seen mesmerized by the bathhouse attendant, such that she assumes he's a BUFFOON STATUE with the drool as a water feature:
I love the water feature on that BUFFOON STATUE! The slow drip from its slacked jaw is SO relaxing!
- Sydney of Grrl Power, when presented with a roomful of shirtless, perfectly-muscled superhero hunks.
- The Princess's Jewels: Lord Meldea is depicted as having globs of drool coming out of his large pervy grin to highlight his nature as a sexual predator.
- Sandra on the Rocks:
- Invoked by Sandra (in the last panel of strip #102, Feb. 08, 2014 — mildly NSFW), when she fantasizes about being in a sexual sandwich between Pierre and Gary; she's shown drooling and grinning lecherously.
- Ingrid is shown drooling from the corner of her mouth while sporting heart eyes when she gets a look at Christophe.
- Marcus from Hell(p) does this upon meeting a guy with four arms, apparently seeing a lot of potential applications for them.
- Sandra and Woo: When Larisa is hesitant about making a Deal with the Devil in order to save Sandra's life, the Devil clarifies that this isn't a Deal with the Devil, but a Devil's Job Offer. After her death, she will spend eternity serving the Devil as a succubus, seducing innocent men into a life of sin and hedonism. Larisa drools quite heavily at the prospect.
- Yakko and Wakko sometimes drool in the presence of a pretty girl often while panting like dogs.
- Minerva Mink seems to enjoy all the attention after all... except when she tries to get something normal, like shopping for groceries or filing her taxes, but can't because every male around her is panting and howling and drooling.
- Of course, the only males who don't have this reaction are those she's actually quite attracted to. Which causes her to react similarly to her drooling, gawking male admirers, for great comic effect.
- Subverted in the Valentine's Day episode of Grossology when Paige appears to be drooling over her crush, but it turns out it was caused by her Valentine's card being laced with a pheromone that causes uncontrollable drooling.
- The Legend of Korra: Bolin does this in "Rebel Spirit" in response to seeing Ginger do her "poses".
- The Simpsons: Homer Simpson usually drools for food, but occasionally he's seen drooling at a sexy woman in the earlier episodes. In one episode he is taking the babysitter home when he sees a gummi stuck to her rear and reaches for it. When she turns and sees Homer reaching for her butt and drooling, she assumes the worst and sues him for sexual harassment.
- In a Stressed Eric episode, Eric's boss hires a very hot girl to a high-powered role she seems quite unqualified for, and repeats the phrase "just some excess saliva" every time he thinks of her.
- In Teen Titans Starfire and even Raven do this complete with releasing heart marks in the presence of Aqualad. Starfire also does this when she spots a hot guy she thinks she's engaged to be married to.
- ThunderCats (2011): In one episode, Tygra openly gapes at the sight of Cheetara using her Super-Speed, which Panthro Lampshades with a smirk and a chiding:
Panthro: Close that mouth, you're drooling.
- Tiny Toon Adventures: A guy with a jackhammer does this when he sees Fifi Le Fume in the episode "Aroma Amore". As soon as he realizes she's a skunk however he freaks out. Monty also does this upon seeing Mitzi in "Prom-ise Her Anything".
- In Totally Spies!, Clover tends to do this when she sees a hot guy and goes into boy crazy mode.