boner stem

A bicycle stem with an angle of 45° or greater.

My back hurts. Think I'll use a boner stem instead of a normal one.

boner stem by bikerag August 25, 2006

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Related Words

boner stem • boner • boner-killer • Boner Kill • boner shrinker • boner-face • boner-rific • Boner Trap • Boner Boy • boner doner