When your girl misses a period and starts acting all fuckin weird. Usually involves cravings, complaints about boob soreness, gloating about inflated breasts, mood swings, nausea, etc. About two days after you're convinced you made a baby she starts raggin.
Guy 1: Hey man, the woman has been eating pbj n fried horse dick sandwiches and talking about her tits nonstop
Guy 2: She bleedin?

Guy 1: nah she was supposed to last week
Guy 2: prolly just preg-stration, how many bogus preggo scares y'all had?

Guy 1: prolly
by SirFuckingLenard420 July 3, 2014
Get the preg-stration mug.