Top Definition
can not be defined, it can mean anything and everything.
Yonce, are you about to yonce it?
I'm just yoncing it.
by yootz April 28, 2009
The buffest of buff (extremely good looking person)
"Check dis girl she is a yonce!"

"Youre actually a yonce"

"Bruv is this yo girl? She a yonce"

"This picture is yonce"
by Blowit November 24, 2014
To squirt in your partners mouth
Beyonce : Yonce all on his mouth like liquor
by Lolqueenbee July 18, 2016
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