1. When you have nothing else mature to say.
2. When you laugh at someone for doing something.
1. Bob: What is the square root of 354638364?
Fred: Bah!

2. Ed: I just lost my phone.
Adam: Bahhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh!
by ROUNCIVELLA March 20, 2007
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Used by Homer Simpson when asked a question by Marge that he does not want to answer.
Marge: Homer! Did you eat that footlong after I threw it in the trash?

Homer: Bah
by motogp April 7, 2010
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Used to express dismissal, reject advice, renounce something, or to simply say "that won't happen".
dude 1: You can't take this boat through a hurricane! We'll sink!
dude 2: Bah.

dude 1: This ship is too big to be going this fast! There's icebergs out there!
dude 2: Bah.
by scuba steve January 28, 2005
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something people say when they have nuthin better to say
Garrette says: go make some cake now u hoe
Shannon says: BAH!!!!!!
by Shanieka September 11, 2005
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Q: What is the square root of 74 divided by 4 times 8?

A: Bah
by Anonymous September 1, 2003
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guy 1- DAMNNN that girl gives some bah
guy 2- man stop cappinnnn
by bah giver October 14, 2019
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A pub in the northeastern United States.
"Mikey and I are going to go meet Danny at the bah."
by Wicked David February 7, 2007
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