What is Jack-ups?
1.
Derogative term for trousers worn too short (approx 1-3 inches above the shoe), often with white socks underneath making the jack-up more obvious.
Check that guy's jack-ups
My best trousers had shrunk, resulting in fairly serious jack-ups
See
2.
commonly thought of as meaning trousers that are too short, 'jack-ups' are actually trousers that, surprise surprise, have been 'jacked' up. That means that the waistband has been pulled higher than necessary, possibly up to the naval (bellybutton) or chest.
person1: (indicating person2's trousers) ha, look, he's got jack-ups!
person2: actually, my trousers are just a bit short
person1's friend, person3: yeah thats what jack-ups are, you idiot
person2: commonly thought of as meaning trousers that are too short, 'jack-ups' are actually trousers that, surprise surprise, have been 'jacked' up. That means that the waistband has been pulled higher than necessary, possibly up to the naval (bellybutton) or chest.
person1 & person3: youre such a nerd
See
