Begging or pleading for something desperately.

(Internet slang, derogatory) Misogyny.

(cricket) the thick part of a batsman's pads that protects the knee

Unthinking, not carefully considered, (nearly) automatic, spontaneous, easily predictable.

A sudden reflexive movement of the leg below the knee, as a reaction to a tap to the tendon just below the patella (kneecap).

(idiomatic) A joke, especially one which strikes the listener or reader as particularly humorous.

Reaching up to the knees. / Submerged to the knees. / (figuratively, by extension) Deeply involved in something, or preoccupied with something.

plural of knee sock

(chiefly in the plural) A sock that reaches almost up to the knee.

Reaching to the height of a person's knees.