Anonymous andy is someone giving an anonymous tip to a police, teacher, councler, parent etc.
Dude, go tell the teacher your getting bullied.

No, i dont want to be an anonymous andy.
by Madlight October 18, 2012
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When Andy has sex with you and you don't even know it happened because he is so sneaky and his dick is so tiny.
"WHAT?!?!? I'm pregnant!? I didn't even have sex this month!!!"
"Looks like Anonymous Andy struck again!"
by The Dictator April 29, 2015
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