heavy hitter
noun[C]
informalukusapersonorcompanythat is very wellknownand has a lot ofinfluence, or aproductthat is verysuccessful:
Thegroupwillsoonunveiltheappointmentof someminingsectorheavyhitterstoitsboard.
Theproposedtaxbreakshavedrawntheinterestof someheavyhitters,includingGoldman Sachs, whichownsHorizon Wind Energy.
ThreeheavyhitterswerereleasedlastFriday, and shouldseeAmericansflockingtocinemas.
See also
big hitter