A phrase a girl uses for her period
Jenny: I think Jane is moodier than usual
Sally: Yeah, she must be on code 16
by Jewels. August 18, 2014
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When the naked nipple of a girl is visible from a certain angle and you need to tell it to your fellow men.
"Dude, Code 16 on your right, blonde girl"
"Holy s*** nice."
by ThomSimoneau November 4, 2020
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