Work that is easily understood to be 'bitch work' and is not in your usual job description. Usually relegated to the workers at the lowest on the totem pole.
What's Wright doing? - Boss
I gave him some charlie work to do. - Manager
That'll do. - Boss
manual labor that involves cleaning toilets, changing out kegs, and other types of grunt work that needs to be done at Paddy's Bar in Philadelphia
Fuck this I don't have to clean the toilet, thats charlie work.
From the show it's always sunny in philadelphia on FX