Top Definition
A person who is always hungry; therefore, one who will eat (almost) anything.
Those gannets have eaten all the biscuits!
by WhiteTrashMan November 26, 2004

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another word for sombody who eats like a pig
you gannet.......... you ate all the pie!!!
by jakx February 27, 2007

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Someone who hangs around when they are usually unwanted and is only interested in what they can get out of people. They are generally annoying and often ruin what would otherwise be perfectly nice days out.
“Ugh, now I have to share my chips with her because she swooped in just as I bought them, she’s such a gannet."
by mummazumbe August 21, 2014

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A sea bird with white plumage and black wingtips. Also slang for Breasts, boobs, knockers etc. Primarily used in the Wollongong area of NSW.
What a fantastic pair of gannets!
Check out the gannets on her!
by Gannet watcher April 11, 2006

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Sticking your dick so far down someone's throat they throw up all over you genitals
"Hey babe can I give you a gannet tonight"
by Seedy Brid February 27, 2017

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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