Adjective used to describe anything found in McDonalds, a word you can't remember, or something you don't know how else to describe.
Also a noun referring to anything and everything.
Actually can be used to replace any word. Ever.
Originally found in a McDonald's playplace.
Kate: Does that sign say "Crivet?"
Ben: I think it does... Can you even read?
Kate: Well.... Crivets!