cream crackered, adj. — Green’s Dictionary of Slang

cream crackered adj.

also Jacob’s crackers

[rhy. sl. = knackered adj.; ult. Jacob’s cream crackers, a brand of savoury biscuit]

exhausted, tired out.

1988		Viz Oct./Nov. 13: Yur murta’s not cream-crackad aalready is it?
1996		J. Cameron It Was An Accident 90: Totalled by now, cream crackered head to toe, I stared, snoozed, nodded off.
2003		B. Dark Dirty Cockney Rhy. Sl. 69: Jacob’s Crackers knackered.
2012		(con. 1980s) I. Welsh Skagboys 459: Fuck sake, Williamson, ah’m cream crackered here [...] Can this wait till the morn.
2016		Twitter 18 Apr. 🌐 I am cream crackered. Putting my feet up to relax with a book about Victorian taxidermy.