wigged out adjective in an extreme state of drug intoxication, excitement or rage; dissociated from reality US
— Paul Janssen, 1968
The bug-eyes, the hair straight out of a 1970s sitcom, the laugh. What’s this all about? The wigged-out mad grin, the Isn’t-this-amazing? Isn’t-this-hilarious? expression on his face[.] — Michael Ruhlman, WalkonWater, p. 19, 2003