a person that bails out on parties, and is a real nuisance to plan events with because always ends up flaking
"Oh my god never make plans with Angie, she is such a Peri Stool"
"Angie is being such a Peri Stool, she is too busy riding horses to hang out with friends!"
"Angie is being such a Peri Stool, she is too busy riding horses to hang out with friends!"
by iamnotaperistool April 21, 2015

When someone is incredibly stupid or makes dumb decisions that are out of this world and are unable to be comprehended.
Sophie: Wait, so if you're pregnant with twins would you be pregnant for 18 months?
Amber: You're a full blown fuckwit.
Sophie: Who, me?
Amber: You're a full blown fuckwit.
Sophie: Who, me?
by iamnotaperistool March 16, 2017
