Having a sexual act commited upon you threetimes 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 threetimes 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"
Refers to a person of ingenious standard. Someone who is not comparable to a normal person. They are so much better than everyone else both in terms of comedy and intelligence that comparisons simply cannot be made.
Son of PC- "Do you want some of my fathers crisps"
Friend of PC's son- "Yeah sure, Why not"
PC- "Gimme those"
Friend of PC's son- "Oh my God, Oh my god"