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2.
This means to slap furiously with a wooden plank. Origin is unknown but dates back to the early 70's.
I sfazired on of my carpool people.
by Max March 03, 2005
 
1.
This means to smack furiously with an inanimate object. This word is usually used in the infinitive form as in 'to sfazir'.
I am going to sfazir you with a large wet noodle.
by S33D March 03, 2005