a state of altered perception brought on by a lack of sleep
when he started to hallucinate he wasn't sure if it was the weed or if he was just tired high
by sircasey February 16, 2009
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When you're tired to a point where your brain functions worse, and you act as if you're high.
I stayed up all nightblast night, and now I'm Tired High
by Pokémaniac7 September 26, 2019
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When one person is to a point of being so tired, that there mind is half way between dream world and reality, causing them to possibly see things that aren’t there or say things they normally wouldn't
"Hey, why did you say you wanted to eat my cat last night?"

"Sorry, I didn't mean it, I was tired high... couldn't get much sleep."
by Riketsu1 November 23, 2009
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When you've been up for too long and you lose your shit, consists of long periods of uncontrollable laughter. Followed by gasps for breath.
(3:00 A.M.)
>Kevin: HAHAHAHAHAHAHHAHAHAH..... (two minutes later)
>Minh: What's wrong with you!?
>Kevin: Nothing, I'm just tired high man
by SadWhaleDeepInOcean August 5, 2012
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The act of being so tired you act high.
When you are a band kid, and you have a football gamer till 11:30pm and competition tomorrow at 3:00am.

Conversation: What’s wrong with Kyle?

Idk, man he could be high-tired.

(Kyle is dancing with no music playing)
by Jerone-with-two-rones September 16, 2018
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