Short for prostitute, like tranny is short for trasvestite.
This girl in my building- I think she's a prossy.
by pragmatica March 19, 2004
Short for "Processor" which is essentially the brain of any computing device. Two major processor developers are AMD and Intel.
My stupid ass motherboard died today, so I got to get a new motherboard, which will also require me to purchase another prossy.
by IsraelHands09 November 09, 2010