when a girl is a huge slut so her pussy is loose and you get her really wet and then you put your dick into her and it is like your jimmy is swimming in a sea.
Yeah I gave that slut Moniqua the jimmy swimmy last night. That chick is loose as hell.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.