a coin purse
A coin purse is where a man keeps his scrotum. It’s also where he hides his coins when he's too lazy to put them in his pocket.
My uncle's coin purse got stuck in a sock. He screamed like he lost his soul.
My brother’s coin purse was so big, he called it 'the nut mansion.'
My dad’s coin purse got hit by a car. He said, 'I lost my nuts and my dignity.'