[king's ransom] {n. phr.} 1. An excessively large sum of money […]

[kip] {n.} 1. Sleep, nap 2. Bed or lodging 3. Brothel […]

[knackers] {n.} vulgar name for testicles.

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

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

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

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

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

[knockers] {n.} Breasts.

[knocking shop] {n.} Brothel.