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1.
Bua
Similar to "what?" but used when even more confused.
Molecular Biologist to the communications major: "Aminoacyl-tRNA is initially brought into the ribosome as a complex with elongation factor Tu (EF-Tu) and guanosine 5'-tripsohphate (GTP)"

Communications major: "bua?"
by cyclohexanol June 11, 2005
 
2.
Bua
adj.
1. Confusing, Mysterious, and Hot. Intimidating but still relatable. Many people's idea of an ideal partner.
n.
2. Object to turn fantasy into reality.
She is like, my Bua girl!

I wish I had my Bua, if I did I'd already be in that girl's pants.
by StellerBlue September 27, 2007
 
3.
BUA
Big Ugly Animal - an person who resembles an aniaml like a pig/goat/gorilla/cow or just all of them in one.
yo brah brah, look at jamie she's a BUA my dude.
by crazymikegosse June 25, 2011
 
4.
Bua
Bitch in bed
1)The woman is a bua
2)DAMN!! That girl is SOOOO BUA!!!!!
by gu November 26, 2003