Green’s Dictionary of Slang

(W.I.) rags, old clothes.

1983		T. White Catch a Fire 76: Look fe poppy show [ridiculous exhibition] comin’ dis way. Another bungo in ’im bes’ work regjegs [ragged clothes].
2005		(con. c.1945) A. Wheatle Island Songs (2006) 46: Him ah dressed up inna him smelly reg-jegs dat even de curious dog dem would nah sniff.