Having a sexual act commited upon you three times in the one night by a person named Peter. For example, Girl (or fat mess) meets Peter in the club. Girl invites Peter back to house. Girl gets fucked by Peter three times in the one night. Girl has been peterised. Can also happen in an alley.
"I'm a fuck you once, then i'm a fuck you twice, then i'm a peterise you bitch"
"Did you hear the girl over the road got peterised the last night"
The art of taking an innocent piece of information and juicing it into a gossipy topic in order to instigate drama.
Natasha: I met my new neighbor yesterday, we talked for 5 minutes.
Roger: Oh that's interesting, so since you two are hanging out 24/7 does that mean you're getting married?
Natasha: Quit Petersheimming me!!!
A small town in central mass. that resides close to the quabbin reservoir. It's full of old people who stare at you. If you go here the only thing to do is take pictures of trees. I mean come one, who does that? Dont go to this town. Its lame.
paul-"hey bill wanna go to petersham?"
bill-"Why go now? the leaves aren't good yet."
A very perverted and gangsta man. He uses the term 'nigga' more times than can be counted, and he might turn out to be a lover of science who is trained in the science of lovers. Look out for Petersheim.
"Did you see that Petersheim go by?"
"Yeah, he stole my girl last week."