collect on

collect on (something)

To request or pursue something that has been offered or promised to one. Remember when you offered to watch the baby? Well, I need to collect on that now. It's time to collect on that debt he owes me.
See also: collect, on
Farlex Dictionary of Idioms.

collect on something

to take or receive payment on a debt or promise. I have come to collect on your debt. I will have to assign your account to an agency to collect on this bill.
See also: collect, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • collect on (something)
  • offer (something) for (something)
  • offer for
  • offering
  • offer for (one) to (do something)
  • see (one) across (something or some place)
  • see across
  • in flight
  • seize the opportunity
  • seize the opportunity (to do something)