A type of lag usually involved with gaming when your computer is experiencing slow frame due to your computer not having fast enough processing power. It's an easy way to define which lag you are having with out saying "My computer is lagging cause it's old or something".
Zach: Man, i'm lagging so bad.
Jonathan: What lag are you having?
Zach: Slow lag
When you get home from a concert so late, you feel as if you’ve entered a different timezone
Dude 1: why are you so tired
Dude 2: i’m concert-lagged
Dude 1: What the fuck is that???
Dude 2: it’s like jet lag but with getting home late from concerts.
When communicating with someone digitally in a distant time zone by phone, text, video chat or Skype, digital jet-lag is the feeling of being tired or fatigued from said communication and its disruption of your normal schedule and routine.
Joey: Why are you so tired? It's only 5pm where you live.
Damon: I have digital jet-lag from staying up until 3:30am video-chatting with you.
Person 1: Hey dude! Your girlfriend cheated on you!
Person 2: *quietly stands there for 30 seconds* SHE WHAT?!
Person 1: Man, you've got that Call of DutyLag.