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A full erection.
Look bitch, I got stock! Jump on!
by The-Shield March 01, 2004
(As in to stock a girl) Stick your foot up her sex-hole.
My kinkiest fantasy is to have a guy stock me.
by Liz May 31, 2004
1. Your piece of shit car.
2. When you are so good at something e.g., gaming, that you are STOCK.
Colby and I are so stock at Halo 3 doubles.

Too bad Colby only has a stock dick.
by xXMasonXx April 21, 2008
Means having a stash of alcohol or marijuana.
Hey man, you got some stock?
by Steen November 12, 2004