[flip-flop] (1) {v.}, {informal} To alternate the positions of; exchange the […]

[floor one] {v. phr.} To overwhelm; astound; nonplus. * /John's sudden […]

[flunk out] {v. phr.} To have to withdraw from school or […]

[flush it] {v. phr.}, {slang} 1. To fail (something). * /I […]

[fly at one's throat] {v. phr.} To attack you suddenly with […]

[fly blind] {v. phr.} 1. To fly an airplane by instruments […]

[fly by the seat of one's pants] {v. phr.}, {slang} To […]

[fly in the face of] or [fly in the teeth of] […]

[fly into a rage] or [temper] {v. phr.} To become very […]

[fly off the handle] {v. phr.}, {informal} To become very angry. […]