Top Definition
Testosterone induced retardation. Most prevalent in teen and early 20 males, though any age is vulnerable.
Your friend is flirting with the most unattractive skanky girl at a party. You approach him and try to get him to leave. He gets angry and says "dude, I'm kinda busy." You say, "wtf? You gotta stop with that testostardation!"
by Jen in IT2 June 27, 2010
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