When you are performing anal sex in a public restroom (preferably a reststop or gas station), and the woman slips and falls forward, dunking her head in the toilet.
When me and Alice were driving cross country, I accidentally gave her a Missouri Mop Bucket in the bathroom of a Buc-ee's.
A derogatory term for an attractivewoman who is in a blue collar job for the sole purpose of attempting to seduce blue collar men and absorb all of the attention because they can't get attention elsewhere. Usually because they're an undesirable bitch.
Scott hired a new chick that's a total dust mop. Stay away man.
A person who's sole purpose in life is to be held upside down by their ankles and swept around like a broom so that their hair can soak up COPIOUS amounts of semen. Generally, Milk Mops also have erectile dysfunction and have yellow sandals on their feet.
"Hey man, did you hear that Ryan just became a Milk Mop?"
"OH NO I hope he will be okay, I wouldn't wanna wear yellow sandals"