Sponge Knee

When one of the knees gives way temporarily whilst walking causing a person to dip halfway to the ground before re-gaining control - therefore looking like a complete tit to any onlookers.

Ha Ha Ha, John just got sponge knee, Ha Ha Ha.

Sponge Knee by Wood Knee January 13, 2008

tree knee 

condition exhibited by snow-sport enthusiasts (mainly snowboarders, but sometimes skiiers) consisting of a bruised knee caused by repeated collisions with trees in the backcountry

Joe got a serious case of tree knee after a day of shredding pow off the groomed runs.

tree knee by dinky jones February 13, 2010

smarma-knee 

The ticklish area behind your knee

Do you have a ticklish smarma-knee?

smarma-knee by hbarrowXx January 15, 2011

Toledo Knee buster 

When a person jumps off the Carlson library stairs and ends up tearing their ACL. Bonus points for convincing other people that is happened during basketball

Kyle just did a Toledo knee buster, and he told everyone that he even got fuckin bonus points!

Toledo Knee buster by kg10 January 21, 2011

shiny knee 

When a person has a sparkly knee. often seen on a white boy.

Damn that Charlie gubbins has the shiniest knee, it was just so noticeable during gym class. shiny knee is- a knee that is radiating

shiny knee by Jamacainmecrazy12 March 29, 2015

Whip knee 

When you plant your leg so many times doing the "whip" that your knee begins to ache

Damn man, I whipped so many times last night I got whip knee

Whip knee by Theguywhoknew November 16, 2016

llama knee 

The results when a tranny attempts to hide their junk. Not to be confused with, "moose knuckle," or " camel toe."

That dude looking like a lady except for the llama knee in his trunk.

llama knee by Losinbadly May 3, 2018