The state of mind that a person is acting more goofy than normal due to lack of sleep i.e. slap happy
I am so sleeptarded that I skipped to my car in the parking lot.
by Dennis Smith October 18, 2003
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Being tired enough to the point that it affects your mental capabilities.
Man I was so sleeptarded that i failed my math test.
by Nathan Sexalisciousness November 15, 2008
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Someone who sleeps every day, all day and is a hassle to wake up!
by DubstepHQ December 3, 2009
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