when you have to pee really bad but you have a boner, so you have to do that weird squat/lean forward thing.
"man, i woke up this morning and had the worst peerection."
An erection caused by the pressure of a full bladder as opposed to sexual excitement.
A pantsless Tom enters the bathroom.
Brad the homo: Woah there tiger at least buy me dinner first! *growls in a a gay manner*
Tom: Relax dumbass it's just a peerection.
Brad the homo: (dejected) Then why are you pantsless?
Tom: I forgot the put them back on after I got done boning your sister.
Brad the homo: Oh.....you know I stole her last boyfriend. *winks in a gay manner*
Tom: (gaybashes and urinates on Brad).