Not much chop
Definition 1 of 1
Pro Tip 1/3Colloquial Usage
Used in casual conversation, not in formal writing or speeches. 
Her performance was not much chop; she's usually better.
Pro Tip 2/3Negative Nuance
Implies disappointment or criticism, often used to express a negative opinion politely. 
The movie everyone raved about was not much chop, in my view.
Pro Tip 3/3Australian Origin
Familiarize with Australian English, as the phrase is mostly used there. 
I expected more from that team, but they're really not much chop.