What is Ass Up?
To create a complete mess; establish a state of disorder akin to immersing oneself in a world of unpleasant ass.
Don't do it, man. Adding that coconut milk would seriously ass up the marinara sauce.
OR: The project was moving along smoothly until Jared completely assed everything up.
the more vulgar form of shutup now.
bob:didn't you say you'd pay me back today???
ann:no, i sed tomorrow
bob:liz, didnt ann say she'd pay me back today
liz:umm...yea...she said that to me too
bob:i'ma need your broke ass to pay me back...now ass up.
*note-ass up can also be said as ass the hell up to add more emphasis to the
fryor burnthat just took place or it can be said as ass the fuck up to add EVEN MORE emphasis and make sed fryor burneven more epic...
just have fun with it