do a roaring trade
US /duː ə ˈrɔːrɪŋ treɪd/
UK /duː ə ˈrɔːrɪŋ treɪd/
1.
to sell a lot of goods very quickly; to be very successful in business
:
•
The ice cream parlor always does a roaring trade in the summer.
•
With the new movie out, the cinema is doing a roaring trade.