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The moment when you are so high and/or drunk that you zone out, remembering all of the G Maneuvers (times where you had an awesome moment), you had that day. While hanging out with your friends.
Yo, you with us, or are you having Samnesia.
by Semodeen January 26, 2013
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When you can't remember what kind of sandwich you had the other day.
John: "Yeah man, I went to that new deli the other day."
Bob: "Oh yeah, what did you get?"
John: "I... I can't remember..."
Bob: "It's okay, man, samnesia afflics millions every year"
by the sideburns February 18, 2010
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