Green’s Dictionary of Slang

scowbanking adj.

lazy, idling.

1837		W.J. Neale ‘Gentleman Jack’ in Blackwood’s Mag. II 190/1: O you d— scowbanking lubbers, why the devil don’t you move your lazy limbs!
1920		H. Bleackley Monster 322: I’ve had about enough of thy sauce, [...] and I’m sick of thy lazy scowbanking ways into t’ bargain.