When a girl/guy is sleeping with somebody else and the conscious one decides to touch the sleeping persons genitalia (often times waking them up)
"Yo you were sleeping with her?"
"Hell yeah, I buckgilled the shit out of her."

"What happened!? Why did you leave your room in the middle of the night?"
"Because that pig buckgilled me!"
by C Hoove December 6, 2009
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