Why back in my day we'd take a young whipper-snapper like you and...
Actually what's scary is my grandpa used to do that... I think he really heard what they were saying but would answer something else to irritate us.
Grandma: "Hey, Alvin called from his office downtown"
Grandpa: "What??? The post office burned down?"
<cut scene to ensuing argument between the two about getting his hearing checked again>