Ion is used as a replacement for "I don't". This can be found especially on twitter.
Tweet: ion like driving at night.
by Airwick August 27, 2012
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Do you want to have sex?

I Can't ion have a condom
by Sxxxx August 8, 2018
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It is what idiots use to replace I don't know,but little did the know it is a particle that is a atom or molecule a net positive or negative electrical charge.
"Ion know John." Says the Slang User
"You are an idiot." Says the Intellectual
by dankboiii June 11, 2016
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Emily: Why are you spreading lies about me?
Veronica: Ion lie
by avaq January 9, 2019
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It is used for idiots who don’t know how to spell “I don’t”
Ion know about you but I’m feelin 22
by Frankie geee October 27, 2019
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A term referring to a woman whose appearance can range from really good looking to downright ugly. As a result, males cannot categorize such a female on a scale of 1-10 as her ranking is incredibly volatile. Thus, their attractiveness is simplified to a different scale for this rare category of women which is marked by a +1 for looking good at the time or -1 for looking bad on an occasion, hence the term ion.
Damn that girl is such an ion, yesterday I would've banged her for sure but today she looks like snooki's asshole.
by Slumdog23 October 27, 2010
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