kaamish
A big mess who thinks he's the king of the hill. He’s got the brain of a goldfish but still tries to impress you.
My brother is a kaamish. He eats burgers for dinner and still thinks he's a rockstar.
That guy at the park is a kaamish. He does push-ups and talks to pigeons.
My mom called me a kaamish because I spilled soup on my shirt.