Tell him he's a duck.
Most people over 50 are scared of them and think they are destroying the fabric of society!
They tried that but people kept on thinking it was the checkout line at Home Depot.
Look under his kilt, if it's a quarter-pounder, he's a McDonald.
The lonely one dated igneous rocks!
Peaking duck!
Duck.
Oh wait, nevermind. I'm an idiot...*
I tell you tomorrow.