A girl who is acting sloppy and playin a male
" You really actin slop mop, don't play."
A woman of ill repute who has rightfully earned her shame by hooking-up with anyone and is willing to do anything.
Friend 1: Damn, Jenny will hook-up with just about anyone, and she is such a freak!
Friend 2: Oh, honey, I know. I feel bad for her future husband. The girl's just a slop mop.