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ei, To give someone a yergan or to yergan someone.
To fart in someone's face while they are asleep on the floor.
"Im going to yergan you in the morning"

normally done the morning after a big night of drinking. the act is carried out in the following manner,
1 Find someone asleep on the floor laying on there back.
2 strip down to your under ware.
3 squat over said persons face.
4 wait for them to inhale and fart into their mouth
5 run away
by spankyrufstuf November 05, 2010
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