boner killer.

an ugly/unattractive girl or guy. can be shortened too BK.

Jack: oh maaan, she's soo hot.
Liam: dude snap out of it.. such a boner killer.

by Tootsiee Wootsiee October 25, 2011

Boner Killer

9/10 math teachers and English teachers

Damn dude, my math teacher, Mrs. Bowman, is such a boner killer

by Cum is stored in your mother April 21, 2022

Boner Killer

When your boner is pretty much killed. Can happen is a lot of ways, some girls are pro also kown as a BK

Holly- "I'm going home"
Matt- "WHAT A FUCKING BK (boner killer)! Wel, have fun flicking your bean bitch"

by jermy September 25, 2006

boner-killer

Somthing or somonethat kills the fun that you are having

Guy1: Yo Stop screwing around!
Guy2: (to some1 else)Geeze, what a boner killer

by Chewing on a spoon September 16, 2005

total boner killer

A woman who is physically attractive, but totally kills your boner (attraction) due to her negative attitude and lack of intelligence

Hey François that girl I went on a date with last night was a TBK (Total Boner Killer) bro. She was gorgeous until she talked about how much she hated her job."

by Eduardo Amoureux June 21, 2019

Boner killer

When watching AMATEUR porn and the male refers to the pledge wipe as a playmate. Jeez I thought this was supposed to be amateur man. What a boner killer.

Isn’t it such a boner killer to not be able to take a female of equal status or better on a date.

by RightTriangle October 7, 2019