Top Definition
that very odd time when you're under the influence of sleep, but you're still awake.
Almost nothing can be said about what goes on when we're sleep high. It's mostly stupid random acts of vandalism and strange videos...
by this one girl January 19, 2007

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that moment late at night when you cant sleep and all you do is do stupid things.
Girl: Lalalala lala la la lalala.
Boy: what is wrong with you?
Girl:I dont know I cant sleep.
Boy: oh, so your sleep high.
by breezy8111 May 25, 2012

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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When your to tired to to know what you doing and laugh at everything
Person: dude it's 4 am, we need to sleep
Person 2: deezles neezles.
....
Both: laughing* do we are so sleep high.
by WOLFYgold3D September 21, 2016

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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When someone wakes you up in the middle of your sleep, and you mumble and say random stuff.
Guy 1: How were your three gay experiences?

Guy 2: How do you know about that?

Guy 1: You told me when you were sleep high.
by halfbrown March 01, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt