Top Definition
This word can be used just like "good morning, and goodnight" is used, though it is intended for us nocturnal folk that are always arguing on whether they should say good morning or goodnight after 12am, and before 5am.
as the clock strikes 12am: Goodmornight! Why might you be up at such awkward hours?
by aaronrocket September 19, 2007

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Its a mix of Good morning and Good night, its when your going to sleep in the morning the AM but its dark outside.

Its acronym is: GMN
"its 3 am I better go to bed

Good mornight"
by Theaoooo November 18, 2015

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.

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