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1.
Commonly used among internet geeks and gamers: To agree with someone on a point.
Guy 1: yo dude that movie was so crap
Guy 2: vouch
by Asdaftw January 07, 2009
 
2.
To seek for, or actively partake in the usage of punani. Frequently refers to wanton over a 6+ age year gap
"Gee i wish i could vouch Kayla"
"Bruv i would vouch it senseless"
by pompey100 August 15, 2009