shitass

Noun/Verb: A madlib-esque filler word for when you cannot think of, or are too lazy to say a word or thing.

"Hey do you still want to go to, uh, shitass later?"
"Well maybe you should stop shitassing so we can leave already..."
"Remember that one movie we went to with shitass?"
"Can you email me the shitass when you get home?"