Top Definition
a person who drives around in cars waving their hand around like a dolphin
"eveybody's looking forward to the" "MY HAND IS A DOLPHIN" - Rebecca Black
by mynameisnotspecial March 30, 2011

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A phrase made popular by the parody of Rebecca Black's Friday, Friday- Rebecca Black (Brock's Dub).
Look! My hand is a dolphin!
by Meizee April 04, 2011

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Found in Brock Baker's parody of Rebecca Black's viral song, "Friday". It is used to describe the wavy motion of one of the kid's hands when they're driving in the car.
Person 1: *waves hand* "MY HAND IS A DOLPHIN!!!!11ONEONE"
by purplechik14 March 30, 2011

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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