Youpy may be fat, but you're ugly, and he can diet.
Youpy has been dieting for a month, but all he's lost is 31 days!
Youpy is in shape. Round is a shape.
Youpy is so fat that his first word was oink
Youpy is so fat that when he jumped in the ocean, whales started singing "We are Family!"
Youpy is so fat that if he were one of the three little pigs, he'd say 'Not by the hair on my 26 chins!'
Youpy is not stupid, he's big-boned