1 definition by Wazzer

Top Definition
A baby or small child who cries all the time,or an adult who acts like a "big baby". A complainer, a negative person, a poor sport.
"I don't know if I should go out with you guys tonight. I have to stay here with the waa."

"I don't think I'm going to see that guy anymore. He's a waa and always finds something wrong with everything.
by Wazzer September 21, 2006

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