(adj.) an act or engagement of someone too strung out on methamphetamine.
(n.) a person who is overly consumed in paranoia due to the effects of being on methamphetamine.
(n) /fʌl riːstaːt/ (UK) or /fʌl riːstart/ (US)
The state a computer enters when it refuses to co-operate and the only solution is to restart it.
Stemmed from the term full retard