Verb. From the root, "poopsock". The practice of defecating into an article of clothing in lieu of leaving a task to use a traditional toilet. Almost exclusively used in relation to video gaming.
Similar in concept, but distinct from Shitbucket/Shit-bucketing; a derogatory term which denotes the usage of a non-clothing receptacle, and is used exclusively toward level-based online gaming.
Player 1: "Man, I need a bio break, but I can't leave the raid."
Player 2: "Same, but I've been poopsocking since the first boss."
. . . Pause. . .
Player 3: ". . .You people are disgusting."
When a drunk girl explosively shits herself in and around your home and you proceed to rinse her off in your roommate's shower. In doing so, you become turned on and join the soiled girl in the poo-stained shower and proudly have sex with her.