(informal) Exhibiting or characteristic of a rash or automatic response.

(baseball, slang) A curveball (or occasionally a knuckleball) that fools the hitter, causing his or her knees to buckle (i.e. bend).

plural of knee baby

Alternative spelling of kneecapping

(informal) poplit (shallow depression located at the back of the knee joint)

Breeches reaching down to or just below the knee.

plural of knee pit

plural of knee cap

plural of knee-capping

plural of knee-buckler