1 definition by Pockets503

Top Definition
When you see a hot guy or a hot girl, you'll break your knee to turn and look. Similar to a neck breaker, only this term could actually happen.
When Fallon was jogging on the path, she turned to check out a hot guy, and almost broke her knee." "That guy must have been a knee breaker!
by Pockets503 May 08, 2011

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