[fall down on the job] {v. phr.}, {informal} To fail to […]

[fall flat] {v.}, {informal} To be a failure; fail. * /The […]

[fall in with] {v.}, {informal} 1. To meet by accident. * […]

[fall through] {v.}, {informal} To fail; be ruined; not happen or […]

[far-out] {adj.} 1. Very far away; distant. * /Scientists are planning […]

[fast talker] {n.}, {slang}, {informal} A con artist or a swindler, […]

[feather one's nest] {v. phr.}, {informal} 1. To use for yourself […]

[fed up] {informal} also {slang} [fed to the gills] or [fed […]

[feel for someone] {v. phr.}, {informal} To be able to sympathize […]

[feel like] {v.}, {informal} To want to do or have. * […]