Someone who is extremely smart but who acts like a ditz. he or she may also be described as "smitzy".
See that girl? You'd never guess by looking at her that she's super smart, because she acts like a ditz. She's really a smitz.

My boyfriend is President of the Chess Club and was accepted to Harvard. But he's forever losing his phone, locking himself out of his car, and leaving his wallet at home. He's such a smitz.

My nickname is Smitzy, because people know I'm a smitz.
by yo-yo-ma-ma December 29, 2011
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one who has a giant octopus sand castle on the chesapeake bay and drives a golf cart
What?? I thought youz said that foo was a pooky-smitz!?!?
by Emelle da Killa July 3, 2003
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Smitz is a word that you would use when you are angry or if you are hurt(it is a swear)
Ah smitz that really hurt my toe
by Smitz December 12, 2019
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