The act of taking a walk in order to speed up a shit that's been building, as opposed to sitting and waiting longer for it to happen.
Person 1: Hey, have you seen Bob? He wasn't at his desk.
Person 2: He said he had to go walk up a shit.
Person 2: He said he had to go walk up a shit.
by Anthony Melvin August 31, 2022
An adjective which is used to specify someone who is so filled up with shit the only thing it does is to walk.
by kamikazepig December 25, 2017