Some short-tempered anorexic kid with a micropenis.
Guy 1: You see that dude over there

Guy 2: Yeah

Guy 1: Bro he looks like he might be throwing a hissy-fit over some dumb shit.

Guy 2: He's probably a Jack S.
by HomogeneousNigga91 June 11, 2019
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The appearance of a highly sexually active older woman`s vagina. A hanging and leathery labia, resembling the flappy bits at the top a pirate`s boot.
"Steve, I saw you getting off with that blonde MILF last night. What was she like, then?"
"Bud, she went like a fucking steam train. Her twat was a bit worn out though; pissflaps looked like the top of Jack Sparrow`s boot".
by Clothears January 11, 2014
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