[use one's head] or {slang} [use one's bean] or {slang} [use […]

[use up] {v. phr.} 1. To use until nothing is left; […]

[used to] (1) {adj. phr.} In the habit of or familiar […]

[used to] (2) or [did use to] {v. phr.} Did formerly; […]

[used to be] or [did use to be] {v. phr.} Formerly […]

[UT] "Unreal Tournament"; usually referring to the GOTY (Game of the […]

[utility room] {n.} A room in a house or building for […]

[v] "We"

[vain] See: [IN VAIN], [TAKE ONE'S NAME IN VAIN].

[valor] See: [DISCRETION IS THE BETTER PART OF VALOR].