A Meth whore that has pimples not only on her face and ass but on her tits too, therefore she's given the name Pimpletitskin.
"Hey Alex, did you see Pimpletitskin van over at Mikes house last night?"
"Yep I sure did, wonder which butt brother is hittin that?"
"She must have some gud shyt cuz who would fuck Pimpletitskin?"
"I know right, she probably has pimple pussy too".
A pimplestiltskin (derived from Rumplestiltskin) is a person who is infact incredibly cringe-making due to the extensive number or zits and other blemishes on his/her face.