1 definition by P. Lesiak

Top Definition
(noun)- A person who says or does something so lame it immediately sucks all the joy out of a normally fun, hilarious and appealing situation.
"Yo man, enjoying the party?"
"Yea man!! Its fucking tight.. i ran over a dog on the way here"
"Dude... Why you got to be such a BONER KILLER!!!"

"Who puked on your pool table?"
"Just some Boner Killer."
by P. Lesiak December 18, 2007

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