Green’s Dictionary of Slang

1. (Aus.) of a man, to strip off his clothes in public, usu. at a drunken party; also as n.

1964		M. Sharp in Oz (Sydney) Feb. n.p.: Phil did this king hambone on the kitchen table and ran round the house in the raw ripping the gear off all the birds.
1984		Partridge DSUE (8th edn) 524/1: since ca. 1960.

2. (US black) to slap one’s body rhythmically in time to music.

1981

McKee & Chisenhall Beale Black & Blue 7: Soon all three were jiving, clapping hands, hamboning, scatting—making music out of nothing.