Definitions by Trent from Punchy

Plunger Dick 

After the act of sex, the penis acts as a Plunger sucking the females insides out.

Its like when you pull a deep water fish to the surface and the guts fall out. Plunger Dick is a woman's guts falling out from the suction built up during the sexual process

Plunger Dick by Trent from Punchy January 17, 2009