Green’s Dictionary of Slang

no probs phr.

no problems.

1974–5		B. Humphries Barry McKenzie [comic strip] in Complete Barry McKenzie (1988) 113: She’s out like a light. No probs.
1985		B. Humphries Traveller’s Tool 87: If you’re in the business of doing business with a big Jap company, they really stack on the hospitality, no probs.
1999		K. Sampson Powder 59: No probs. You’ll have to sign for DATs or something, yeah?
2001		N. Barlay Hooky Gear 277: Fine, he go. No probs.
2006		B. Matthews Intractable [ebook] So when Sally asked me the next time, I replied, ‘Sure, no probs’.
2011		G. Hayward Corruption Officer [ebk] cap. 25: No prob. You know how far back we go.