* "I'll bet you twenty bucks I can get you gambling before the end of the day!"
** Even better in that he doesn't realize he's already won.
* Lloyd's revenge on Harry.
* "His head fell off?!"
** Even funnier is Harry's follow-up, "Yeah, he was pretty old..."
-->'''Lloyd:''' That's it. I've ''had it'' with this dump! We got no food, we got no jobs, our pet's '''HEADS ARE FALLING OFF!!'''
* When Lloyd accidentally goes the wrong way during the road trip:
-->''"Huh. I expected the Rocky Mountains to be a little rockier than this."''
-->''"I was thinking the same thing. That John Denver's full of shit, man."''
* When Lloyd pulls up next to Harry on a Vespa, and explains that he sold the Shaggin' Wagon for it and gas money. Harry starts off sounding like he's berating Lloyd, saying "There are times I think you can't get any dumber! And then you do something like this..." Then he turns it on its head when he follows up with "...and totally redeem yourself!"
* "It's okay! I'm a limo driver!"
* "We landed on the moon!" [[ThrowItIn Ad-libbed]] by Jim Carrey, to boot.
* Lloyd's dream sequence, which involves the GroinAttack to end all Groin Attacks, ripping a guy's heart out, a kiss from hell, and ends with Lloyd nearly hitting a semi head-on.
* Harry and Lloyd replacing the ransom money with I.O.U.s. Watching how they spend it is funny enough, but then [[ChekhovsGag the Big Bad finally opens the briefcase at the end]] and nearly blows a gasket.
-->''"Go ahead and add it up. Every cent's accounted for. Look, see this? That's a car. 275 thou. Might wanna hang onto that one."''
* When Harry explains that he survived getting shot because the FBI gave him a bulletproof vest.
-->'''Lloyd:''' ...what if he shot you in the face?
-->''(beat)''
-->'''Harry:''' ''(to FBI)'' What if he shot me in the face?
-->'''FBI:''' That was a risk we were willing to take.
* The look on Harry's face when Lloyd has his hand in his coat [[spoiler:(ready to pull his gun during his ImagineSpot)]].
* Lloyd outwits Sea Bass at the diner by somehow getting him to put their lunch on his tab.
-->'''Harry:''' That was genius, Lloyd, sheer genius. I mean, where did you come up with a scam like that?
-->'''Lloyd:''' Saw it in a movie once.
-->'''Harry:''' That's incredible! So what happened, so the guy tricks some sucker into picking up his tab and gets away with it scot-free?
-->'''Lloyd:''' No! In the movie, they catch up to him a half-mile down the road and slit his throat. (Giggles) It was a good one!
-->'''Harry:''' (suddenly driving a ''lot'' faster)
* When Lloyd first suggests to Harry that they go to Aspen.
-->'''Lloyd:''' What are we doing here, Harry? We've gotta get out of this town!
-->'''Harry:''' Yeah, and go where? Where do you wanna go?
-->'''Lloyd:''' I'll tell you where: someplace warm. Where the beer flows like wine. Where beautiful women instinctively flock like the salmon of Capistrano. I'm talking about a little place called ''(whispers) Assspeeen''.
-->'''Harry:''' I don't know, Lloyd; the French are assholes.
* Extra gloves.
** ''EEEAAAAAHHHH!'' HARRY! YOUR HANDS ARE FREEZING!
* Also the PottyHumor where Harry just lets go and pees during the ride... the pair are frozen together by the time Lloyd stops.
* "Dear Gas Man, packed up and drove to Aspen. Sorry about the $. Lloyd and Harry." *smiley face*
** Even funnier since the villains think that Harry and Lloyd are criminal geniuses playing them for fools, taking "Gas Man" to be a reference to Mental's ulcer problems.
* "Hey...you wanna hear the most annoying sound in the world?" Doubly funny if you watch Jeff Daniels [[{{Corpsing}} start to lose his shit]] before the camera cuts to Mike Starr, also trying not to laugh.
* At the bar while Lloyd is waiting for his supposed date with Mary, Beth shows up and starts [[MotorMouth rambling]] about her [[spoiler:fake]] ex-boyfriend:
-->'''Beth''': And I said: "Run, Beth, run for your life before this man kills you both." Then do you know what the klutz did?
-->'''Lloyd''': ''(in HeadDesk)''...No, and I don't...'''''CAAAARE!''''' ''(back to HeadDesk)''
* The final scene in the movie was originally supposed to [[spoiler: have Harry's line be the same, then Lloyd would actually get them on the bus with the bikini models]]. The finished ending is the result of JimCarrey looking at the scene and going "Well yeah, but wouldn't ''this'' [[RuleOfFunny be even funnier]]?"
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