it doesn't bother me now, but it might by the time he is 7, as he might 'get' more about it.
I remember mortifying my parents at a very young age, describing to a favorite uncle an episode of "Steptoe and Son" I had watched the night befor, where Harold is chasing his dad around threatening to make 'Goolie stew'.
I thought this to be the very summit of wit and hilarity, and wouldn't shut up about it for a long long time.