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2.
The type of slap your momma gives on the back of your head when you do or say something stupid.
*smack* George, that was a stupid thing to do. Now appologize to Saddam unless you want another mommaslap!
by moeyabodabi May 17, 2006
 
1.
gettin a slap from your mother, whose usually black with junk in the trunk. Happens when you misbehave or say something that you think is fine but yo mamma don't like.
Mark:Did you see what Lebron James told his momma to do?!
James:Yea "syad!!"
Mark: How'd he not get a momma slap for that one?
by spncrm July 10, 2008