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Acronym. Stands for "Put It In My Mouth". Can be applied to most everything edible, lickable, and drinkable. Also can be descriptive of a collective group of champagne-popping, bar-hopping girls.
"Wow, this champagne is delicious"... "PIIMM, please!"

"I encountered the most perfect male specimen this weekend. And I PIIMMed him"

"The party has finally started, because team PIIMM has arrived"
by E$KRAY September 28, 2009