joe rocks, n. — Green’s Dictionary of Slang

joe rocks n.

also tommy rocks

[rhy. sl.]

(Aus./UK/US) socks.

1935		A.J. Pollock Und. Speaks n.p.: Tommy Rocks, socks.
1944		Maurer & Baker ‘“Aus.” Rhyming Argot’ in AS XIX:3 195/2: Tommy Rocks. Socks.
1960		J. Franklyn Dict. of Rhy. Sl.
1984		Partridge DSUE (8th edn) 624: C.20.
1990		Tupper & Wortley Aus. Prison Sl. Gloss. 🌐 Joe Rock. Sock. Variation of ‘almond rock’.
2002		Pete’s Aussie Sl. Home Page 🌐 Joe Rocks: the socks.