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the act of having a blonde moment or doing something stupid.
not to be confused with the word "retainer"
to show someone was being a tayner , make a "t" with your index fingers on your forehead . similarly to the "L" shape on your forehead for loser
guy 1: Dude, did you hear about that chick Anya falling over the chair in French class?
guy 2: Yeah man, total tayner.
by ParisWilson38 October 03, 2011