Top Definition
A person whose puke is neon colored.
"Look at the color of Megan's puke, I never knew she's a penon!"
by Megan McDerbalot December 21, 2008
9 Words related to Penon
A person whose puke color is neon.
"Woah look at her puke! That's crazy she is a penon!"
by Derballday December 21, 2008

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