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Blowing air out my nose. Similar to "LMAO" used to describe that laugh you do when something is funny but not funny enough to laugh out loud and you just "blow air out my nose".
Text message:
"Why did the Chicken Cross the road? To get a gallon of milk."
"Totally a BAOMN joke."
"BAOMN indeed."
by mrCuttie November 24, 2016
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