We found one dictionary that defines the word cant be doing with sth:

General (1 matching dictionary)

1. can't be doing with sth: Cambridge Advanced Learner's Dictionary

▸ Words similar to cant be doing with sth ▸ Usage examples for cant be doing with sth ▸ Idioms related to cant be doing with sth ▸ Wikipedia articles (New!) ▸ Words that often appear near cant be doing with sth ▸ Rhymes of cant be doing with sth ▸ Invented words related to cant be doing with sth