We like ass at Strong Language, and it’s an impressively productive piece of vocabulary. Recently I came across a whole new use of it – new to me, that is – in Jay Dobyns’s undercover-biker memoir No Angel. That use is unass, and it turns out to have more than one meaning.
Here it is in Dobyns’s book:
1. About a hundred miles in, we pulled off at Cordes Junction to gas up. We stopped at a Mobil and unassed. My legs and shoulders were killing me.