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1.
A flashback of being stoned. Usually lasts a few seconds to a few minutes. You can get them every few days up to a month after smoking weed.
dude 1: dude, last night.....
dude 2: u okay dude?
dude 1: blank stare
dude 2: hello?
dude 1: sorry, i just had a major tard moment.
by trammyman lol September 05, 2007
 
2.
Caution: May be offensive to some

short for retard moment

1. Describes a moment when you are trying to solve a problem, and are wracking your brain and when you find how simple the answer is, you marvel at your own stupidity
2. When you are talking and totally forget what you are talking about
Person 1: Yeah and then I went to....*blanks out*
Person 2: What happened?
Person 1: I totally forgot what I was saying, tard moment #1.
Person 2: ha ha ha
by chairman July 02, 2004