BANG UP. (WHIP.) Quite the thing, hellish fine. Well done. Compleat. Dashing. In a handsome stile. A bang up cove; a dashing fellow who spends his money freely. To bang up prime: to bring your horses up in a dashing or fine style: as the swell's rattler and prads are bang up prime; the gentleman sports an elegant carriage and fine horses.
BANG UP
Meaning of BANG UP in English
Slang English vocab. Английский сленговый словарь. 2012