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
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
A blue hedgehog that can run faster than the speed of light. He has a sidekick named Tails, who is an orange fox that can run fast too, but not as fast as Sonic.
Damn, Sonic ran so fast that I can't even catch him.
by Solid Snake 9000 May 21, 2010
I GET IT!!! there is a blue hedgehog named sonic!!! Does that mean that every definition has to be the same damn thing?
Sonic the hedgehog
by SonicDagan765 June 25, 2012
1. relating to sound waves.

2. name of the hedgehog that was featured in video games in the 1990's.

3. America's drive in, a burger chain where you drive into a stall push a button and order great inexpensive fast food. It was originally started as a hamburger and root beer stand in Shawnee, OK, called Top Hat Drive In, then later changed its name to Sonic. The first drive in to adopt the Sonic name is still serving customers in Stillwater, OK. Sonic now has more than 2,600 drive-ins in 30 states, and is the nation’s largest chain of drive in restaurants with more than a million customers eating at Sonic Drive Ins every day.

1. The sound was super sonic.

2. Sonic The Hedgehog was a very popular video game in the 1990's.

3. Garth's favorite place to eat in the Sonic Drive In near his house.
by cardinal_fan October 12, 2004
Sonic is where you go down on your man or toss him off and when he cums make sure you get plenty jizz on your hands then run them through his hair making it spiky like Sonic ;)
Sarah: Since when did he gel his hair ?

Emily: Since i gave him a sonic ;)
by Simbaaaaa October 05, 2010
A person who is so whipped in a relationship that they are considered a sonic boom because of the sound a whip makes when its cracked
Bo is so sonic he always ditches us for his girlfriend
by evanWeezy January 30, 2011

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