Top Definition
When a guy has a boner, and doesn't want anyone to notice, he quickly puts his hand down his pants and places his dick between his stomach and waist line. The penis should be touching skin and cloth.
Nick: Yo Nobs, your mom gave me a boner again!!
Nobs: What did you do?
Nick: I used the tuck.
by Babatunde Agunbiade January 24, 2007

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When a male has a huge erection and doesn't want anyone to see, they simply tuck the penis in between the top of their pants and their stomach, thus hiding the boner.
Yo man, I used the tuck last night at my girlfriend's house and her parents didn't notice my huge stiffy.
by mike&will April 13, 2006

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The Urban Dictionary T-Shirt

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When a man tucks his penis instrument between his legs, thus mocking a vagina, also known as a mangina. Also the tuck is very oftenly brought up by people usually with the name of Jesus, they fantasize about it, talk about it every day, and very possibly dream of it.
Jay does the tuck on Clerks 2. Silence of the Lambs.
by Yuridia August 01, 2007

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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