jack-ups 

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

jack-ups by Nicky November 28, 2004

jack-ups 

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

jack-ups by A D August 16, 2007

jack ups 

Excessively short trousers resulting in the exposure of ankles, and in extreme cases, calves.

haha, look at them jack ups

jack ups by potusss January 27, 2007

Jack ups 

Jack ups are simply trousers that are too short. There are at least 2-3 cm above your ankles.

Example 1 :

Your trousers are serious jack ups.(only if it is really visible that they are above your ankles)
Example 2:

Look at them jack ups, they are too LOL

Jack ups by Itz_cutequeen October 13, 2017

jackupsguy 

(n) One who is in a state of awesomeness.

Jackupsguy is da bomb!

jackupsguy by Jack, the UPSGUY March 28, 2007