He was a card shark!
Because everyone who can run, jump or swim is in the US.
He had too much to drink before he went swimming!
Sneak up behind him and start throwing rice.
Dad: "Can I see your report card, son?" Son: "I don't have it." Dad: "Why?" Son: "I gave it to my friend. He wanted to scare his parents."
He found his pair a' dice!