Somehow, a fly, or a winged insect, gets into a character's mouth, sometimes by the character moving very fast. Hilarity Ensues
in many different ways, usually after gagging. Bonus points if someone convinces the swallower that they'll die because of it.
- In Greek Mythology, Zeus swallows Metis after she transforms into a fly. Cranial pregnancy ensues.
- Galaxy of Fear: The Swarm has Zak find a drog beetle in his food, to his horror. Later in an alarmingly thick swarm he and Tash have to be careful not to inhale any.
- I know an old Lady who swallowed a fly but I don't know why she swallowed the fly...
- Vocaloid Kaito did this in I Wish They'd Just Die (Shineba ii Noni)
- In Full Throttle, Ben chats with his old biker gang leader, Father Torque, while they're both in the middle of riding. Exhausting all conversation trees will cause Torque to say that he can't talk anymore because he's eating too many bugs.
- The Secret World PCs gain their Anima powers by swallowing a special kind of bee.
- A bug flies into Lissa's mouth during an early cutscene in Fire Emblem Awakening.
- The Homestar Runner cartoon "Bug In Mouth Disease" features Homestar distraught because he accidentally swallowed a bug. "The good times are over!"
- This strip from The Oatmeal
- In Goblins, goblin children are named by the tribe's fortune teller, based on a prediction. One tribe with a particularly inept fortune teller (and even more inept scribes) has a member named Stop The Ceremony I Swallowed A Bug.
- The Serenity example is referenced in this xkcd strip.
- Truth in Television: notice the bugs on your windshield? It's very possible to have bugs collide with you at high speeds. If you don't have any protection and are currently talking or yawning or such, well...
- Which is why this is a common event for cyclists. Just be thankful it wasn't another trope instead if you weren't wearing glasses.
- Meta example: one stock snark to someone who's either talking too much or has their jaw dropped in amazement is "Close your mouth before you start catching flies".
- In his autobiography Kiss and Make Up, Gene Simmons details an incident that happened to him at summer camp, involving a talent-show stage, a spotlight, a singing Gene and a huge moth.
- The bout of cussing of this reporter was caused by a fly or some other insect flying into his mouth.