postwhistle

post- +‎ whistle

postwhistle (not comparable)

1. After the whistle is blown in a sports match.
   • 1988 November 18, Ted Cox, “The Sports Section”, in Chicago Reader‎:

     While the Redskins were trying to prove, at this point, that they belonged on the same field as the Bears, and while they did so with a constant sequence of postwhistle pushing and shoving matches, the Bears were quite simply blowing them off the football.

• whistle post, whistle stop, whistle-stop, whistlestop