Green’s Dictionary of Slang

a mild excl.; a euph. for damn! excl.

1876		J. Greenwood Low-Life Deeps 218: ‘Bust and beggar and double bust the blessed threepenny!’ roared the youth rebelliously.
1905		Marvel III:60 11: Bust! I slipped.
2003		McGill Reed Dict. of N.Z. Sl. 40: bust! Exclamation, usually of disgust. Often bust it!, as my grandmother used to say when she dropped her crochet stitch and did not want to say anything stronger such as ‘Bugger it!’ From early C20.