1 definition by Kricu2813
The act of filling a girl's vagina with grape soda and then having sex with her. Also a type of off-brand grape soda.
P1: Dude did you see that black guy with the grape drink?
P2: Yea he was with some girl.
P1: Grape Plunge!
P2: Yea he was with some girl.
P1: Grape Plunge!
by Kricu2813 January 31, 2011