[knee-high to a grasshopper] also [knee-high to a duck] {adj. phr.}, […]

[kneeling bus] {n.}, {informal} A bus equipped with a hydraulic device […]

[knees up] {n.} A lively party or dance.

[knell] See: [DEATH KNELL].

[knit] See: [CLOSE-KNIT].

[knitting] See: [STICK TO ONE'S KNITTING] or [TEND TO ONE'S KNITTING].

[knob] {n.} 1. Penis. 2. (of a man) To have sexual […]

[knob jockey] {adj.} homosexual (to ride the penis like a jockey […]

[knob-end] {n.} an idiot, or tip of penis (see [bell-end]).

[knobhead] {n.} a stupid, irritating person.