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.
by mebematt77 December 4, 2009
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When a female with a unshaven vagina masturbates,

see the male equivalent "Slopping the Flop"
"What will you do when you get back?"
"I will Slop the Mop as soon as I get in"
"EW"
by Tiernada January 15, 2014
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A girl who is acting sloppy and playin a male
" You really actin slop mop, don't play."
by Amanda April 13, 2003
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