kikr47's definitions
The arch in some chick's backs when standing, showing off their ass. The chick's back curves like a Banana, making her ass appear to be more pronounced than without a Banana Back.
A: Hey, Katie has a nice Banana Back! I could stare at that all day!
B: Yeah, I know! that ass is seductive!
B: Yeah, I know! that ass is seductive!
by kikr47 April 1, 2009
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