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1.
Adj. Someone who gets drunk, and feels the need to kiss everyone in the room.
"What is wrong with you?"
"I was just attacked by the serial kisser!"
by Wendalita October 12, 2007
 
2.
A girl or guy who hooks up with someone different every weekend, maybe multiple people, with no regard for the feelings of their partners.
"This is his 46th weekend straight he's gotten with different girls."

"Haha, what a serial kisser."
by Lary Mogan December 10, 2007