knee break 

When a female take time out of her busy day to stop and suck her man dick like its air under water

Baby I kno you bizzy but you should take a knee break some time soon

knee break by Jr Uing/VM May 14, 2014

knee-breaker 

Taking a leak while sporting morning wood. To keep from spraying the wall, you lean forward as much as possible with your legs straight, to the point where you think your knees are gonna snap.

I had to take a serious knee-breaker when i woke up this morning!

knee-breaker by wickedpissa March 19, 2006

Knee Breaker 

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!

Knee Breaker by Pockets503 June 3, 2011