[flog] {v.} Sell.

[flog a dead horse] {v.} 1. To continue talking about a […]

[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 […]

[flutter] {v.} (To have a flutter) To place a wager.

[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] […]