What is Shit-up?
1.
Working out vigorously with full bowels, then trying too hard to get that 'last' sit-up. At least your whole anus didn't pop out, like has happened to some unfortunate weight lifters.
Weight lifter: *pant* *pant* uuHHUNNGHHT! *sploosh*
Random hot girl walking by: Aww gross... did you just shit-up?
See
2.
when a huge dump comes flying out your dunghole so fast that you are lifted off of the toilet seat
Guy: Oh shit here it comes!
'turd shoots out like a bottle rocket'
'guy's head gets stuck in ceiling'
Guy: Damn i hate doing those shit-ups.
See
Random Words:
1.
a police informer who implicates many people
I think he's supergrass so watch what you say around him.
See grass, police informer..
1.
peace out my nigga and keep it gangsta
aight playa i'll see you later zip it in and zip it out..