the cardboard cylinder inside a roll of paper towels
Nick: "If we want to smoke and not stink up your dorm, we can shove a dryer sheet inside that cardboard thing and blow the smoke through that"
Jo: "Oh! You mean through a doop de doop?"
Nick: "what the hell are you talking about?"
Jo: "The cardboard thing... It's called a doop de doop"
Nick: "How old are you? Twelve?"
Jo: "We're not friends anymore."
by Anthonyyyyyyyyyyyyy October 24, 2008

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Top Definition
An onomatopoeia for a sound made with the mouth that is usually associated with walking; is a close relative of derdeder but connotates more positive things than its derp cousin. Spongebob coined a similiar phrase when he first stepped on the beach
"I'm going out for a walk doop de doop see ya later"
by existentnon December 28, 2011

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Lotsa space for your liquids.

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Your favorite word on a white mug.

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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