Terse reply to "Why?"

CUZ

Think of a casual, three-letter abbreviation often used in texting to mean "because," especially when you're in a hurry.

"CUZ" is a casual, shortened way of saying "because," often used in informal speech or texting. The clue plays on the idea of a brief or terse response to the question "Why?"—since "cuz" is both a quick answer and a slang version of the word. It’s a straightforward definition with no hidden wordplay, just relying on everyday language.