[twat] {n.} 1. Vagina. 2. Term of abuse (from 1.).

[two bits] {n.}, {slang} Twenty-five cents; a quarter of a dollar. […]

[two cents] {n.} {informal} 1. Something not important or very small; […]

[two strikes against one] {n. phr.} From baseball. Two opportunities wasted […]

[U.F.O.] {n. phr.} Unidentified Flying Object. * /Some people think that […]

[ugly duckling] {n.} An ugly or plain child who grows up […]

[unknown quantity] {n.} Someone or something whose value and importance are […]

[up front] (1) {n.}, {slang}, {informal} The managerial section of a […]

[upper crust] {n.}, {informal} The richest, most famous, or important people […]

[upper hand] or [whip hand] {n.} Controlling power; advantage. * /In […]