v. phr. , slang , informal To be engaged in a pleasurable or profitable activity with someone else as a partner either in romance or in mutually profitable business. "You two seem to have got a thing going, haven't you?" "You've got a good thing going with your travel bureau, why quit now?"
GOT A THING GOING
Meaning of GOT A THING GOING in English
American idioms English vocabulary. Английский словарь американских идиом. 2012