When one's farts expel from one's body in such a rhythm that it serenades one into a deep slumber.

My friend who has fartcolepsy cannot drive a vehicle after eating Taco Bell.
by FamousAnus February 15, 2009
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1. Feigning sleep as an excuse when you accidentally fart

2. When you fall asleep and fart in front of your partner but it doesn’t count because you’re sleeping. Also, you can use this as an excuse and pretend that you’re sleeping when you fart in front of your partner. Only applicable to new relationships in the “early” stages.
Last night, I was laying down and farted in front of my new boyfriend so I immediately started to snore and he thought I fell asleep and had fartcolepsy! Sikeeee! Lol
by Asha89 January 15, 2023
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