7
Someone who ruins a moment or a funny joke. A kill joy, or party pooper.
When John didn't want to go to the concert he was being a boner kill.
by Eva-lynn November 28, 2005
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8
someone who is very ugly or when someone screws up your plans
god dammit that stupid bitch bonerkill fucked everything up. fuck!!!
by juancarlos December 30, 2005
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10
1. When a girl initiates a DTR in the middle of a make-out sesh

2. When someone or something lame interrupts an otherwise enjoyable experience
1. "So, yeah, we were kissing, but then I stopped and said, 'Do you even like me? What does this mean?'"

"You said that? What a bonerkill."

2. "There was good dance music on! Who changed it and put on country? Bonerkill."
by mrs. khalil greene July 14, 2008
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11
When you are about to get some ass but you don't because something happens
Deshaun: Deshawn: I was about to get with this chanquia and then my parents walked in
Matt: Chanquias are gross thats a major step down from even ayako. Were u curunk.
Deshaun: I kno but it was still a boner kill, and i wasnt crunk
by Deshaun Thomas March 07, 2006
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12
The act of denying three friends a chance to see DJ Tiesto live, and syphoning 3 days out of Barcelona activities.
Brian is a boner kill.
The trip that Brian planned was a boner kill.
Due to the acts of Brians planning, many boners were killed.
Boner kill.
by Keith Hamold July 08, 2010
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13
To make the penis become flaccid by killing the erection of the penis because someone is turned off.
Listening to this crappy pop music is a bonerkill.
by hell dwell May 10, 2020
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