rabbit ears

noun[plural only]2

1. •
   An indoor dipole antenna consisting of two usually extensible rods connected to a base to form a V shape.

   • The channel was only available to older TVs because the signal was one only picked up by rabbit ears (Weaker frequency). — 2009
2. •
   High sensitivity to heckling or insults.

   • Colin Montgomerie has been a heckling target of U.S. crowds for years, infamous as he was for having the proverbial rabbit ears. — 2014