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The act of jumping up and bumping chests with someone else.

It is very Gangsta fresh.
Yo' home skillet come here and give me one of a good ol' willi vanilli before you go back home.

HECK YES SON!
by Not BrieAnna May 01, 2011
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2
The act of jumping up and bumping your chest against another chest in an act of joy or pure thug.
Samson got a strike on Wii golf so he walked up to JimJim and willi vanilli'ed him in pure joy.
by i am actually a walrus May 03, 2011
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