When someone is just slow in all aspects of life.
Robbie, " Hey guys, I finally graduated high school."
Robbie suffers from a bad case of life lag.
by MasterFox November 12, 2010
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When you space out for roughly two seconds, long enough to forget what you were doing. This is sometimes preceded by daydreaming and followed by weird stares from friends when you look around trying to figure out where you are.
Rob: Why is Steve just sitting there?

Micheal: He's got life lag.

(Gets up and flicks Steve)

Steve: Holy--What? (Steve looks around)
by MattSwan14 December 5, 2009
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