Top Definition
When a person has taken too much amphetamine or methamphetamine and is going at too fast of a rate to function properly. Often times the person will be paranoid, sketchy, or have nervous twitches. Usually a person that is spidacked will pick at their face excessively and will not leave the house.
She was so spidacked that she could not even show up for our date last night. When I called her she said we could not talk because her phone was tapped. She needs to lay off the dope.
by fartwhisperer July 16, 2010

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