1 definition by the.scumlife

device used for breaking the jaw bones of motorists who think it is humorous to be inconsiderate and endanger the lives of cyclists on the road.

the act of breaking the jaw bone of a motorist, or perhaps smashing out his window.
safety first: always bring your u-lock.

yo, you shoulda seen the way Tido u-lock'd this dumbo's face right off!
by the.scumlife September 11, 2010
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