Synonyms: Huh? What? Whu? What did you say?, say again?, you talkin' to me? etc.
2. The question asked by youtube haters, cyber thugs, and internet toughguys when they first see a girl naked at age 45.
Vinnie: (paying attention to something else) "What's that?"
Matt: "I said, I heard Dave knocked out Bruce last night and took his dope."
2. (Paid-up-front-hooker removes her panties before youtube hater)
45 year old Youtube Hater (pointing to the snooch): What's that?
Synonyms: what, pardon me, say that again, I beg your pardon, I'm sorry?
Person 2 - What's that?"
Person 1 - I said we should head back now.
Person 2- Oh, alright then
2. What people say when they just can't quite figure out what the hell their looking at.
Andy: My face.