Stop in for a cup of coffee

Reading the Inquy's obit for Jerry Blavat. Jerry Blavat, ‘The Geator with the Heater,’ dies at 82
Fills in the blanks for me.
When I got here he was on one of the last rock and roll stations I could listen to in the car (AM). He was always talking - either stories or explanations - sort of annoying if you just want music but also interesting.