Green’s Dictionary of Slang

a general term of abuse, often ext. to e.g. satchel-arsed fellow, ...son of a whore.

1700		‘Country Wake’ in Playford Pills to Purge Melancholy II 203: Then satchel-Arse Ciss she went to P---.
1719		in D’Urfey Pills to Purge Melancholy IV 197: Then Satchel-arse Ciss, she went to P—.
1823		‘Jon Bee’ Dict. of the Turf, the Ring, the Chase, etc. 154: Satchell-a—sed fellow [...] for ‘fellow,’ they sometimes substitute the appellation ‘son of a whore.’.
1832		Satirist (London) 6 May 147/1: Vateer could the vixen parceive / To be fond on in satchel-backed Jem.
1840		‘May Day Morning’ in Capt. Morris’s Songs in Spedding & Watt (eds) Bawdy Songbooks (2011) III 222: I can’t think vot the vixen could see, / To be fond on in Satchel arse Jem.
1939		B. Appel Power-House 253: ‘Satchel-ass Schneck,’ Murph whispered to Joe.
1961		(con. early 1950s) J. Peacock Valhalla 248: My right guide’s a satchel ass bastard.
1974		T. Roszak Pontifex 156: Postindustrial zombies dragging their satchel-assed anomie along the streets of this country.
1984		I. Doig Eng. Creek 246: You satchel-ass old son of a frigging goddam.
2000		W. Kelley Sweet Summer 70: You pathetic, pig-faced, satchel-assed troglodyte!