|1.||dump it in|
To have meaningless sex. Refers to "dumping" ones dick in any or all orifices on a girl.
John: Hey Andrew what do you think of the new girl?
Andrew: She's not the greatest , but I figure after a six pack I'd dump it in.
She wasn't the greatest looking, but I figured I had 20 minutes to kill so I might as well dump it in.