1 definition by AnnDee Paxton
|1.||Haunch it up|
Basically taking a dump. Use of this term though, refers to a dump that you had been holding in for a long time and finally find the opportunity to get it all out.
Coined by Ralph M. Frichtl
"Kelsey make sure nothing happens to my beer at half time, I seriously need to go HAUNCH IT UP big time!"
by AnnDee Paxton Feb 21, 2009 add a video