[bosom friend] {n. phr.} A very close friend; an old buddy […]

[bottle blond] {n.}, {slang} A person who is obviously not a […]

[bottleneck] {n.} A heavy traffic congestion. * /In Chicago the worst […]

[bottom dollar] {n.}, {v. phr.}, {informal} One's last penny, one's last […]

[bottom line] {n.}, {informal} (stress on "line") 1. The last word […]

[box office] {n.}, {informal} 1. The place at movies and theaters […]

[boyfriend] {n.}, {informal} 1. A male friend or companion. * /"John […]

[brain bucket] {n.}, {slang} A motorcycle helmet. * /If you want […]

[brain drain] {n.}, {informal} 1. The loss of the leading intellectuals […]

[brain trust] {n.} A group of specially trained, highly intelligent experts […]