Top definition
One who kisses a mom other than his own, usually of an acquaintance. The act is performed mostly spontaneously, in a steamy burst of passion. The doer is generally under the influence of alcohol, with only two shots away from being classified as a motherfucker.
"Hi, my name is Brad and I am a motherkisser."

"Hi Brad." *cheering and applause*
by trulyYours February 28, 2013
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug