Best definition
wazzat
Slang for what’s that.
Usually stated like the fools from the Budweiser commericals that say “Wassup.”

Stacy: “Crap on you, you ignaramous insuffering panda bear.”

Mike: “WaZZaT j00 say?!?”
wazzat: define #2
wazzat
what is/was that
a: We running a little late.

b: Wazzat? I wasn’t listening. (example of wazzat)