1. To inexplicably change from a reasonable human being to an incoherent, raving asshat with little or no warning.
i.e. Going from zero to douche in nothing flat.
"We were having a perfectly nice lunch until my coworker decided to prick up when the waiter brought him the unsweet tea he asked for instead of a sweet tea."
slip of the tongue perhaps,
Those idiots who drive around in a ridiculously raised pick up truck, making a top heavy vehicle even more top heavy and unstable
B: "Whats the matter"
A: This dam prickup is blinding me.
B: Stupid thing's, as if there lights weren't blinding enough as it is.
to get a stiffy, hard-on, boner, etc. when the man's prick goes up.
"dude i got a prick up in the middle of class and had to cover it with my giant notebook"