1. An expression of surprise, similar to "Well I'll be!"

2.What you say when you want somebody to smack your ass and call you Johnny.
1. "I just won the lottery!"
"Really?"
"Yes!"
"Well smack my ass and call me Johnny!"

2. "Smack my ass and call me Johnny"
Ok Johnny. Smacks ass.
by Reepacheep March 13, 2011
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Smack your girlfriends ass on November 23! At the park, school, or anywhere.
Smack your gf’s ass day, a day you get to smack your girlfriends ass and get away with it.
by Have a little fun in life. November 17, 2019
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December 6National Smack ass day Walk to any girl/guy and smack their ass
National smack ass day means you can hit anyones butt
smack means hit and ass means butt and national means around the world
by Steph..323 December 4, 2021
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On May 28th taken or not you're allowed to smack someone's ass
Yoo Tyrone it's national smack ass day
by Daddy-thicc April 11, 2018
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