[year in, year out] See: [DAY IN AND DAY OUT].

[year-round] or [year-around] {adj.} Usable, effective, or operating all the year. […]

[yellow around the gills] See: [GREEN AROUND THE GILLS].

[yellow journalism] {n. phr.} Cheap and sensational newspaper writing; inflammatory language […]

[yellow-bellied] {adj.}, {slang} Extremely timid, cowardly. * /Joe Bennett is a […]

[yellow-livered] {adj.} Cowardly. * /The young boy greatly resented being called […]

[yeoman service] {n. phr.} Help in time of need; serviceable and […]

[yes-man] {n.}, {informal} A person who tries to be liked by […]

[yesterday] See: [BORN YESTERDAY].

[YGM] "You've got mail"