Top Definition
First used by me on facebook June 6 2011.

Yoobah can be a yell of condemnation or a cry of congratulations when used as a comment on a discussion board, depending on the writer's inclination.

It allows the writer to express derision whilst feigning the opposite. It is also used amongst friends as a show of solidarity.

When doubled as, yoobahyoobah, it is always meant in its celebratory form.

See also Booyah
by elementsmile June 08, 2011

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