An irrationally nervous or jumpy person.
Dude, that Tweek from South Park is such a spaz.
by Pork King April 30, 2003
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Someone who is hyperactive, or overly energetic
She can never sit still, she is a bit of a spaz
by urban myth September 25, 2003
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noun:

from spasm, or spastic

1) One who has a proclivity for wild, random outburst of activity (to be a spaz).

2) An unusual display of random clumsiness (to throw a spaz)

3) An uncommon display of exceedingly random behaviour over a brief period of time (to spaz out).
1) He is a total and utter spaz.

2) He threw a spaz and dropped everything.

3) When he heard that his hamster had died he, like, totally spazed out.
by Galik May 30, 2010
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verb. to go insane, break, or otherwise act oddly.

to spaz, spazzing.
"ack! My computer is spazzing" -when your computer freaks out or crashes.

"My leg/arm/head/otherbodypart's spazzing" - which is when aforementioned body part twitches erratically.

"She's totally spazzing." - when somebody is going mad ^^
by li'l miss flibble March 3, 2004
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freaking out, twitching, temporary loss of control of mind and body
oh my god quit spazzing!
i'm having a spaz attack
by Mei Xian April 30, 2003
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someone who thinks irrationally and is giving you a hard time, usually about someting insignificant, or someone who generally randomly overreacts.
Mom, quit being a royal spaz, it's not that big of a deal!
by Bob November 12, 2003
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a spaz is someone who freaks out when something wierd happens. they also laugh at anything and everything. People who are spazzes usually can be very good friends but you don't want one as your enemy... they crave revenge.
wow... she's such a spaz
by giggles 4703 April 6, 2009
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