A non-alcoholic hangover happens when someone has not eaten all day or has very foolishly consumed a large cup of coffee then taking a standard dose of dayquil, resulting in a headache that resembles a hangover.
John Doe: I have such a throbbing headache.

Jane Doe: Why?

John: I have a terrible cold and I took some medicine after I had my morning cup of coffee.

Jane: You have a non-alcoholic hangover.

John: Sure feels like one.
by thelonesith December 16, 2009

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Top Definition
When you feel like crap, have a headache, and basically all other hangover "symptoms" without drinking

Paying the price of getting wasted, without drinking alcohol

Getting wasted, without getting wasted, and then having a hangover- because you partied that hard;]
Girl: I have such a bad headache, and I feel totally dead. Partied hard last night.

Friend: drank a lot huh?

Girl: No...I'm having a non-alcoholic hangover..it's pretty ugly.

"I woke up this morning with a non-alcoholic hangover...and my mom thought I had drank last night. So I'm grounded. Guess I can't be the designated driver man"
by TAY000 January 13, 2012

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.

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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).

Buy the t-shirt