2 definitions by mustgofaster

A state of giddiness resembling being high; a combination of the words 'happy' and 'huffing'.
Sandra wouldn't stop laughing last night. She was so haffy she was laughing at nothing.
by mustgofaster August 7, 2010
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A more surprised and/or confused version of "what" used in text-based communication.
Friend's text message: Can you come pick me up at the jail?

Your reply: Whut?!
by mustgofaster May 3, 2012
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