Green’s Dictionary of Slang

(US) a problem; often in pl.

1933		E. Pound letter 24 Sept. in Paige (1971) 248: Clearer idea you have of what you want, greater prob. of getting. But never waste time filling in the details. That bitches it.
1936		Wodehouse ‘Noblesse Oblige’ in Young Men in Spats 186: But how to raise the other five hundred? That was the prob .
1963–74		B. Humphries Barry McKenzie [comic strip] in Complete Barry McKenzie (1988) 94: No probs Barrington.
1989		M. Amis London Fields 46: I’m a man can get things done. Any little prob like. Cry out for Keith.
1992		J. Mowry Way Past Cool 31: It wasn’t too much of a prob when some got greedy.
2000		N. Griffiths Grits 184: The cow, she neveh as any probs stayin slim.
2002		J. Cameron Hell on Hoe Street 195: You all right Nicky? [...] No probs up that Pakistan?
2010		L. Redhead Thrill City [ebook] Curtis shrugged. ‘No probs. I’ll just make it up’.
2021		C. Hammer Opal Country 341: ‘No probs’.
2024		J. Meades Empty Wigs (t/s) 745: [A] readymade sink estate... the council dump for the prob-fams... the underachievers... the workshies.