ursolusob

ursolusob is an acrostic, it stands for:

You are shit out of luck you son of a bitch. It is similar to other acrostics like id10t and ebcak in the IT world.

IT agent #1: Trent's computer got malware that basically shut his computer down.
IT agent #2: Nick said "ursolusob" under his breath, and everyone started laughing.

or

Urban Dictionary word reviewer: Why does this guy keep posting his definition? I'm not approving it! URSOLUSOB!!!!!