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

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

[fly the coop] {v. phr.}, {slang} To leave suddenly and secretly; […]

[foam at the mouth] {v. phr.}, {slang} To be very angry, […]

[fob off] {v.}, {informal} 1. To get something false accepted as […]

[fold up] {v.}, {informal} To collapse; fail. * /The team folded […]

[follow in one's footsteps] also [follow in one's tracks] {v. phr.} […]

[follow one's heart] {v. phr.} To do what one wishes to […]

[follow one's nose] {v. phr.}, {informal} 1. To go straight ahead; […]

[follow out] {v. phr.}, {informal} 1. To do fully; finish (what […]