W.B.A.

Abbreviation for "Western Business Attire". Commonly used by MUN officers who are too lazy to type out "western business attire" and instead just write "wba", causing many confused freshmen to go to urban dictionary to find out what "wba" is only to find out that nobody else knows either.

Person A: "Come to the MUN mock tonight with W.B.A. please!!"
Person B: Western Band Association...?

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