Top definition
Noun, singular Portuguese

1. The act of faking with wonder; to astonish someone with untrue accusations

2. The most requested song to every single DJ in a party
"Do you have "Jajão" in your playlist? Could you play it? It's my favorite song!" ~ random overmaked-up chick
"Yes I do" ~ DJ Request
*plays "Sandstorm", by Darude, giving her jajão*
by Gin Party Soundsystem January 02, 2015
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