To be made to feel paranoid and uncomfortable due to a group of plebs in the near vicinity. A typical cause of this is going out for a drink in a loud pub with a group of friends, and being made to feel uneasy due to a bunch of loud mouthed young males near by.
When a woman has the paranoid suspicion that she is pregnant, regardless of actual participation in (or completion of) intercourse and of usage of multiple methods of birth control. Sometimes persists until after taking a pregnancy test & getting a negative result, or until Aunt Flo makes her monthly visit.
Hey sweetie, I know we haven't talked in a month, but I thought you should know I'm pregnant, and it's yours. Oh yeah, and I have AIDS. Call your lawyer and your doctor, you're PregnAIDS.
A clever portmanteau of "pregnant" and "paranoid"; generally used by females to describe the unsettling feeling following an unsafe (hetero)sexual act.