Top definition
An agreement that is signed prior to marriage where your fiancee/fiance agrees to keep up their physical appearance after you are married.
Looks like the hubby is sportin' a beer belly should have signed a preen-up, girlfriend!

Dude, your wife used to be a hottie now she is NOTtie...hope you signed a preen-up!
by Tiffwit April 12, 2010
Get the mug
Get a preen-up mug for your mother-in-law Riley.