Someone who obsessively runs fast without any prior reason or excuse on why they are always in a hurry.
She was a total Sonic last night. She kept hurrying for no reason. I tried to help her calm down but her Sonic-ness had got her carried away with her daily chores which I was doing too.
by Justicewithtacosandweed August 10, 2018
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Perhaps the most well known of video game characters. Created by a SEGA employee by the name of Yuji Naka, Sonic made his first appearance in the 1991 SEGA Genesis release, Sonic The Hedgehog. The game was revolutionary, it had blistering speed and stunning graphics for the era and even had a popular Japanese band, Dreams Come True, providing the sountrack. The game spawned mnay, many sequels, the most recent being Sonic Advance 2 on the Nintendo Game Boy Advance. Aswell as starring in video games, Sonic has had several comic book series, cartoon series, a feature film, a human gene named after him (the Sonic Hedgehog shh gene) and countless books. The Sonic character is one that has stood the test of time and will continue to entertain and enthuse gamers for eras to come.
by LoneWolf June 18, 2003
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Awesome blue hedgehog that saves the world from time to time.
Let's go play some Sonic.

PS: I'm surprised Sega Slayer hasn't come here yet.
by spel itt rite February 19, 2006
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I GET IT!!! there is a blue hedgehog named sonic!!! Does that mean that every definition has to be the same damn thing?
by SonicDagan765 June 25, 2012
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1) A hippie hedgehog who saves animals, destroys the evil robots that captured them, and cleans up litter such as dropped golden rings and emeralds while running at speeds in excess of 500 MPH.
2) A series of video games with the sweetest music evar.
Sonic blazed past me collecting rings and blasting kickass music.
by Spork August 27, 2003
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1. Relating to audible sound;
2. Anthropomorphic blue hedgehog, created by Sega's Sonic Team in the late 1980s, currently associated as the logo for the Sega Corporation.
1. The airplane moved at such a speed it created a sonic boom.
2. Sonic the Hedgehog was a fun game for the Sega Genesis.
by Matty N March 30, 2004
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1. Having to do with sound

2. A fictional blue hedgehog from a series known as "Sonic the Hedgehog"

3. A restaurant
1. Sonic booms are very loud!

2. My friend just got the new sonic game.

3. I was hungry so I went to Sonic and got a cheeseburger.
by Party Pooper April 17, 2004
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