1. the noise a vampire makes within the goth scene.

2. A noise you make in order to make fun of a goth
"hey spooky"
*wait for reaction*
"Bwa Bwa!"
by fagbot December 11, 2004
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Onomatopoeia for the beginning of "Sanford and Sons" theme song, often gets stuck in one's head and then said by that person to other friends so they can join in the fun.
Mitch: "hey corey and devon"
Devon and Corey: " whats up?"
Mitch: "Bwa-Bwa-Bwanup..."
Devon:"damnit, thats gonna be stuck in my head all day"
by mclean 3 north April 14, 2011
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A suspenseful soundtrack, used to illustrate a standoff
"Looks like we gots ourselves a standoff"
*eweeweewwww bwa bwa bwaaaa*
by Boaty McBoatface XIV April 4, 2017
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