the act of stuffing a nice piece of pizza in your partners poone and packing it nice and tight with a pounding motion with your penis
Matt:i gave that cunt danielle a pizza slopper....shes still trying to get it out
Jake:good work
Danielle:ive been smelling like pizza for like 2 weeks now wtf i hate that bitch
Alex:im hard
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An undertime slopper is the act of smearing feces on one's own testicles and then using said feces to masturbate furiously.
I heard that some people enjoy undertime sloppers; I might have to try it one day.
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The act of consuming dirt from a typically questionable source.
"Pip is quite the undertime slopper isn't he"
- Charles Dickens, Great Expectations.
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I Love Undertime Slopper!
Person: "I Love Undertime Slopper!"
Other Person: "Same!"
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Carl: "Yo Stewie, how was your date with Andessa?"
Stewie: "You wont believe me, she gave me the best Underline Slopper ever"
When an individual’s sexual partner uses hair product (gel, pomade, or preferably mousse) to give a male partner a handjob.
The hair product may be taken out of the product’s container or directly out of one partner’s hair. Extra points if hair dye (perhaps neon!) transfers onto hands the shaft of the penis.
“Jake went home with Jason after the club last night. With all that product in Jason’s hair, I’m sure Jake got a Cyndi slopper to remember! Maybe boys just wanna have fun, too!”