Billy's Joke is routinely getting a laugh on a Monday at the moment!
Joey Montagna joined the show to co-host and always tells himself he'll try not to laugh.
But even this one from Fat about his grandfather and the brothel down the road got the better of him.
"That's so stupid!" he laughed.
"Naughty grandpa!" Billy said.
BILLY'S GRANDPA JOKE:
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