[butter up] {v.}, {informal} To try to get the favor or […]

[butter wouldn't melt in one's mouth] {informal} You act very polite […]

[butterflies in one's stomach] {n. phr.} A queer feeling in the […]

[button] See: [HAVE ALL ONE'S BUTTONS], [ON THE BUTTON], [PUSH THE […]

[button down] {v.}, {slang} (stress on "down") To state precisely, to […]

[button one's lip] also [zip one's lip] {v. phr.}, {slang} To […]

[button-down] {attrib. adj.}, {slang} (stress on "button") Well-groomed, conservatively dressed. * […]

[buttonhole] {v.} To approach a person in order to speak with […]

[buy for a song] {v. phr.} To buy something very cheaply. […]

[buy off] {v.} To turn from duty or purpose by a […]