Top definition
Used as a short hand good bye; via any messaging system. Ensuing that you have an momentary erection while saying goodbye. The meaning derives from watching porn, and sustaining an erection while you leave your private chat, whether it be on facebook, or any more of multimedia messaging.
Susie:"you leaving?"
John: "yeah im Up and out"
Susie:" alright goodbye"
by Smance December 13, 2010
Get the mug
Get a Up and Out mug for your buddy Riley.