1 definition by Coco & Mufasa

Top Definition
The act of putting your face in between a girl's legs with your mouth situated at the opening of the vagina (clothed or naked) and violently yelling at the top of your lungs in to it.
Ooh, that yellgasm I had last night was so great. Andy really has some pent up frustrations.
by Coco & Mufasa November 06, 2010
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