The pit of your knee... (behind the knee cap... where it bends... yeah)
by Murry & Laurel October 28, 2004
Get a knee pit mug for your Uncle Georges.
(noun) The southern cousin of the armpit which lacks both elongated hair and a vile musk; this pit requires little to no maintenance.
My knee pit is chafing me.

He would often bring his knee up to his chest and fold his leg in while vivaciously fingering his knee pit.
by elegantmaskwithafeather August 22, 2008
Get a knee pit mug for your daughter-in-law Rihanna.
That space under your knee; the scientific name is not known. Generally this area does not grow coarse hair unless you accidentially rub rogaine on it. If such a thing was done, you'd have a hairy knee-pit.
Girl 1-"Ohmygod, I was shaving my legs last night and cut my knee-pit! Now everytime I squat down more blood gushes out D:"

Girl 2-"Yoh at least your older brother didnt wipe rogaine all over it when you were sleeping, my brother did and now I have a hairy knee pit!"
by Kay and Ev September 13, 2010
Get a Knee-Pit mug for your coworker Jerry.
When a male and female are aroused the male takes his enlarged penis and sticks it behind a woman's knee and beats to his own rhythm
Jack and Emily are naked in bed so emily sands up and jack whoops out his fat cock and sticks it behind her knee and moves his torso back and forth and thts knee pit sex
by Jack and Emik December 29, 2008
Get a knee pit sex mug for your brother Günter.