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1. spastic
Someone who walks with their head angled 30-45 degrees to the side, one of their arms in a crooked position, their feet turned inwards (like Kevin Spacey in The Usual Suspects), walking down a street, with the occasional noise (like that dude in Cube) "Errrrrahhhhhhhh".
Whenever Dave did something stupid, we'd do the spastic impression on him "Errrrrahhhhhhhh".

Us Brits are the masters of doing insulting impressions such as the spastic and wanker impression.
by akminder Feb 24, 2004 add a video
2. spastic
1. Relating to, of the same nature as, or characterized by involuntary muscular contractions, esp. the long-continued contractions known as tonic spasms.
2. A person afflicted by such spasms; a person suffering from cerebral palsy.
"Christine is very spastic."
by DiiKaBaKa Jan 23, 2004 add a video
3. Spastic
1) A retarded person not to be laughed at in a cruel and heartless manner.

2) A brave person.

3) An insulting name given to a mentally or physically handicapped person.
Person 1: I've just spilt gravy over my X-Box.
Person 2: Dude, you are such a spastic.
Person 1: That's out of order, don't say that.
Person 2: Sorry, I meant to say you are a 'Practicality challanged person'.
by Matt Bateman May 9, 2003 add a video
4. Spastic
A complete retard who does not know what they are doing and make weird noises like "Mur Mur ehhrreehr"

Convo between Bob and a Spastic:

Bob: Hi you spaz.

Spastic: MurHurDurHurDurHur!!

Bob: O...Kay i'll just agree with you.

Spastic: Meuurheerr, can i hug youu?
A spastic joke:

What do you call a spastic in a wheelchair?
Anything you want, they"ll just smile and try to hug you.
5. spastic
a retarded or disabled person. probably born on the fourth of july.
what a spastic!
by KATTAY! May 24, 2003 add a video
6. spastic
also known as spazz or spaz, means to act like you have ADD (Attention Deficite Disorder) . Usually bouncing off the walls.
wtf you douchebag?! you're such a spazz!
by DarkFoxFurre May 10, 2003 add a video
7. Spastic
some crippled chavy!!!
some lazy fat git, who cant walk!!!
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