jack-ups
Trousers so short they expose your ankles like you just lost a bet and had to show everyone your legs.
His jack-ups are so short you can see his socks and his ankles like he’s got a spotlight on them.
That girl’s jack-ups are so short I can see her calves like she’s trying to impress a horse.
He’s got jack-ups so short they look like he’s wearing a pair of shoes and a pair of socks.