Minotan

when a man stays in the sun while shirtless with pants or in a bathing suit and shirt, leaving only part of his body tanned and somewhat resembling that of a minotaur.

Susan: Bob, we're at the beach, take your shirt off.

Bob: I may have put on a few pounds recently, I'd rather keep my gut covered.

Susan: ok, but don't whine to me when you end up with a Minotan.