Named after actress Amanda Bynes, this is a mental illness which effects females, typically of the celebrity breed, though it can effect anyone, that can usually be determined by the following symptoms:

- Public nudity
- Shaved head
- Erratic use of social media
- Erratic and generally inappropriate behavior

- Anger and lashing out at innocent people, including and especially at family and friends

- Narcissism

- Thinks the word "ugly" is an insult past the age of five

- Excessive drug use

- Odd piercings

- General obliviousness

- Completely and utterly out of touch with reality
"That poor girl. I hear she has a case of The Bynes."

"I've been seeing a psychiatrist for my Bynes. He says I'm making progress."

"Lock that bitch up! She's Bynesing bad!"
by Kurtango June 2, 2013
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Verb -to be tricked into believing complete and utter nonsense
I heard something that I came close to believing, then I realized I was almost byned.
by Derp55 June 27, 2012
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one of the only nickelodean stars who hasn't had an eating disorder, been arrested or had a pregnancy scare.
amanda bynes is pretty funny in She's the Man.
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A cute, sweet, and moderately funny girl.
Friend: "Did you see Big Fat Liar?"
Me: "Yeah..Amanda Bynes didn't suck."
by Jesa_gurl. October 14, 2006
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One of the only child actresses that rose above all of the throw-away pop garbage that we see all the time, drugs, and eating disorders and grew up to be a respectable and talented woman who has high hopes for her future and a strong well-being.
Amanda Bynes, unlike those Paris Hilton wannabees, is a talented person who cares about herself and her future.
by Mai Valentine August 3, 2009
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the only female actor that has not done cocain

random person: hey amanda would you like some cocain?
amanda bynes; do i look like lindsey lohan?
by bonniemichelle February 20, 2009
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A comical sexual maneuver named after Nickolodeon star Amanda Bynes in which a man places one sweat-stained testicle over each of a woman's eyes, then slowly drags them back across the woman's hair.
"I pulled the Amanda Bynes after busting in her face and her hair was so shiny after."
by RDMDM MD August 10, 2009
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