(1) Refers to a sexual act in which the guy pounds the vagina like a
jackhammer. The
pounding must be fierce and violent leaving said vagina in shreds.
(2) A sexual act in which one
literally pounds the vagina of another with one's fist. This often results in minor loss of blood on the part of the one begin pounded.
Tom: Hey
did you hook up with Watermelondra
last night?
Matt: I totally pounded that vag!
Watermelondra: ...it hurts...
Tom: I am going to pound that vag!
Jinny: Be nice!
Tom: NEVER!