if someone is doing jack, they are doing nothing. they are lazy and can't be bothered to do anything. it also means if someone can't be bothered, or they dont want to put effort into something.
person a: "where's tony, he needs to do his homework!"
person b: "idk, hes probably doing jack on the couch."
Also known as the “Fuck You Jack System” where a person leaves behind a mess, does a half arsed job or just blatantly doesn’t give a fuck because they don’t care about the state of the job, task or place they are working because it will be someone else’s problem when they are gone.
Basically another way to call out people for being lazy flogs.
Sparky 1 - Jeez, cleaning these cable clippings will take forever…
Sparky 2 - Nah mate hasn’t anyone told you we work on the You Jack System!!!
New worker walks into communal kitchen and finds person has used and not replaced any of the paper towel, milk and left dirty dishes behind… thinks to themselves jeez these flogs work on the You Jack System here.
A generally great guy that is a single superphosphate. Not even swollen and inflamed livers can stop him. What a fitty. Loved by all.
You're such a Jack Lycett!
I wish I was Jack Lycett!
A brilliant person who usually likes football and other sports. Many people love him - especially people called Freya.
Wow, you're such a Jack Lycett!
A gigachad who pulls women often named Freya.
Wow, dude, you're such a Jack Lycett!
Someone who hogs all the jacks in a card game for their own selfish gains. Particularly in team card games such as euchre.
Adam : I think I have a good hand we can get this trick
Joe: yeah only if I'm not being a jack hoarder in this b yah
Son of The great Ian Kelly who sadly died fighting for The USSR during World War II
"Look its Jack Kelly,the fat cunt"