1. (verb) Unfortunate or displeasing circumstance, bullshit.
2. (noun) Unfortunate or unpleasant person, douchebag.
1. aw, you have to work on your birthday?! that shit is bumass...
2. So don't call him then...he's a bumass anyways..
something or someone that resembles something bumlike
yo that shirt is mad bumass. I bet he found that shit in a dumpster