The head or "cap" of one's penis.
Zach: Dude, Grant, I just want to rub your meatcap.
by Reid M. August 08, 2007
A latenight snack such as a hamburger, hot dog, or other such product that takes the place or supplements a round of drinks.
Hey Dude, it's been a big night, wanna come over at 2am for a meat cap? I'll fire up the grill.
by Glen Schreitmueller August 21, 2007