Extreme tiredness and other physical effects felt by a person after a trip across time. Comparable to "jet lag"; this term affects the travelers time arrival in the past/future as opposed to the time zone differential of jet lag.
3:00 PMNovember 1st, 1885:
Marty:"This is heavy...I'm so tired..."
Doc: "Martyyyy, how on earth could you be tired?"
Marty:"I have DeLorean lag. I left 1955 at 5:00PM and arrived here at 8:00AM"
Doc:"Great Scott!"
When someone is chatting, and a a server of the chat provider is weak or your's/their internet speed is weaker. Someone says something, often a question, and is answered before the whole questions said. often associated with strong awkwardness
12:10 am Swaggr: Hey babe
12:11 am Babe: Wassup 12:12 am Swaggr: I can't go out, my wife's coming
12:12 am Babe: So you wanna go out
***Chat lag has just happened***
12:13 am Swaggr: