NewHavenFunnyGuy's definitions
The area on the back side of the leg, directly behind the knee, above the calf and below the thigh. Similar to the under arm, but less hairy.
Underknee was chosen as a better name than kneepit for the area on the back of the leg, directly behind the knee.
by NewHavenFunnyGuy October 20, 2009
Get the underknee mug.