A fork of Rural Dictionary
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 ^^