1 definition by Nate-an

Top Definition
Someone who is a buzz killer. When everyone is getting baked at a party and someone volunteers to get carrot juice, they are a bunner.
"dude let's go beat up that nerd after school"
"sweet man let's to it!"
" alright don't tell joe though. He'll be a total bunner about it"
by Nate-an March 02, 2009

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