When you're so fucking pissed at someone that the person you're talking to doesn't even deserve two words.

Also super sarcastic. So sarcastic that people are legitimately confused when they hear you say it.
"Can I have a jellybean?"
"Yeano"
by WHATS GUD December 24, 2015
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When you want someone to think you agree with something, then quickly retract before you are finished with the word “yeano”.
Q: Hey , are you getting the new iPhone?

A: “ Yeano it’s the exact same as last year but it costs more.”

Yeanoshe’s not getting in these pants!
by Pseudofreesprite February 5, 2018
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When a guy doesn’t want to answer a yes or no question
Mary- Yes or No
Johnny- or
Mary- yeano
by mrdreamysbae March 23, 2022
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