A boy and his grandpa went to the lake to go fishing. After fishing for a while, Grandpa grabs a beer from the cooler, pops the top and takes a cool drink.
The boy says, "Grandpa, can I have a drink of your beer?"
"Can you touch your asshole with your cock?" asks Grandpa with a chuckle.
"No." says the boy.
"Well, I guess you can't have any then." says Grandpa.
The two continue fishing for a while until the boy reaches into his backpack and pulls out a bag of cookies.
"May I have one of your cookies?" asks Grandpa.
"Can you touch your asshole with your cock?" replies the boy.
"Yes I can!" says Grandpa.
"Well, then you can just go fuck yourself because Grandma made these cookies for me!"