One who has a significantly lower intelligence level than most. Common problems include inability to react or respond to clever jokes. See pea-brain
That was such a piper thing to do!
Only someone as piper as you wouldn't get it.
Don't be such a piper.
by misonimous March 29, 2009
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An adult actress/pornstar who lives/lived in Crystal Lake, Illinois. She got arrested with acid when she was 17. Her real name is Kayli J. Charlette.
She also does porn with her dad, Ray Charlette.
Rumors be told Ray introduced her to the act when she was too young.
Person 1: Hey there Piper Perry!

Person 2: Hey I'm not Kayli Charlette ๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚
by Ganja Queen 62 October 3, 2021
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An adult actress/pornstar who lives/lived in Crystal Lake, Illinois. She got arrested with acid when she was 17. Her real name is Kayli J. Charlette.
She also does porn with her dad, Ray Charlette.
Rumors be told Ray introduced her to the act when she was too young.
Person1: I was hanging out with snitches of Crystal lake while chillin in Mchenry yesterday.
Person 2: Nice did you get to fuck Piper Perry. Heard shes free on weekdays.
by Latin_KKinGZ October 3, 2021
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An adult actress/pornstar who lives/lived in Crystal Lake, Illinois. She got arrested with acid when she was 17. Her real name is Kayli J. Charlette.
She also does porn with her dad, Ray Charlette.
Rumors be told Ray introduced her to the act when she was too young.
Person 1: Hi Piper Perri!

Person B: Yo I aint No Kayli Charlette lookin ass homie.
by Ganja Queen 62 October 3, 2021
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An adult actress/pornstar who lives/lived in Crystal Lake, Illinois. She got arrested with acid when she was 17. Her real name is Kayli J. Charlette.
She also does porn with her dad, Ray Charlette.
Rumors be told Ray introduced her to the act when she was too young.
Person A: Hi Ray wheres your 13 year old porn star daughter, Piper Perri?

Person B: You cant be too loud
by Latin_KKinGZ October 3, 2021
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An adult actress/pornstar who lives/lived in Crystal Lake, Illinois. She got arrested with acid when she was 17. Her real name is Kayli J. Charlette.
She also does porn with her dad, Ray Charlette.
Rumors be told Ray introduced her to the act when she was too young.
Person 1: Hi Ray, wheres Piper Perri?

Person 2: Dudes shes only 13, call her Kayli.
by Latin_KKinGZ October 3, 2021
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Daughter of Aphrodite in the second series involving the hottie Percy Jackson. Piper is Jason Grace's girlfriend and can make people give her stuff like lawnmowers and cars by just asking. Awesome person!
Jason: I don't deserve you.
Piper: Don't say that. That's a breakup line.

Piper Mclean is not Useless!
by Deedee*101 December 16, 2013
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