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1 definition by Guru Dave

 
1.
The sound of air kissing

Also used to describe a chic restaurant or bar frequented by "beautiful people" (esp. media/fashion/art types), when it is often shortened to a single "mwah"
"I went to the Ivy last night"

"How was it?"

"Totally mwah mwah!"
by Guru Dave September 24, 2012