Top Definition
A question you ask someone when they respond to a question or statement from you via text message that makes little to no sense.
Dave: "Why didn't you show up to my party last night?"

Sam: "I couldn't find my golf balls, so I had to buy some from the golf course. They charge way too much there."

Dave: "Who are you, ChaCha?"
by speedosporter July 01, 2010
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