adj: an all purpose word for something cool, hip, or awesome; or evil, twisted, and sick. Also functions well as a nickname.
Example of cool: Dude, Lord of the Rings: ROTK was SO pernicious!
Example of evil: Our algebra homework last night was PERNICIOUS! I didn't get any sleep!
Example of evil: Our algebra homework last night was PERNICIOUS! I didn't get any sleep!
by Niph April 24, 2004
Get the pernicious mug.by teague k January 28, 2008
Get the pernelly mug.by Is you mad May 12, 2014
Get the pernicabeth mug.by fleffz March 18, 2017
Get the perning mug.Beautiful girl with brown eyes and loves to have deep conversations and is very shy but when you know her she is a crazy person and love to do bad things
by Prns October 7, 2018
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