A phrase used if you don't know what the heck someone is talking about.
1: So yeah I was watching a show on TV called the Biggest Loser and Jen was so cool but I didn't like Ben but Ken was pretty cool.
2: Wait wat?

1: I eat nails for breakfast
2: Really
1: Literally :)
2: Wait wat?
by Unawnumus January 19, 2009
Get the Wait wat mug.