when you are talking to another person and you just feel like yelling; or you can use it if there is an awkward silence.
anna: come here i need to tell you something
sam: ok...what?
anna: ok so you know that one guy in that movie BAHHH!!!!!!!!!
By Hayley
Bahhh
a term used by the great and knowledgable Bard. Bard is a greek god of the mountains and enjoys playing PS2
when Bard called upon his religion of "Bardleys" to give them a holy message he calls "BAHHH" from the mountain's peak and his loyal worshipers spread word throughout the land