gay. i mean like really gay. etymology: from Mr. Lavancha, a gay teacher caught with gay porn on his computer when he accidentally showed it to one of his senior classes at fordham prep. also can be seen with the word mad in front of it to intensify the meaning
Aww that kid is mad vanch... hes almost as bad as lavancha
by cahrlie December 19, 2005
A nasty, ugly girl who has sex in vans, closets, public bathrooms, public pools, her parents' bed, etc. etc.
That girl Ria is a total vanch. She fucked six guys in her mom's bed while she was on the rag.
by nixontrix November 05, 2005