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1.
Pimpest ride this side of Ba Sing Se.
-"Want to go on a ride in my low-low?"
-"Hell no. I got Appa."
by Nick Pic July 11, 2008
 
2.
A Cool Flying Bison who flys places.
Appa flew to Ba-Sing-Se.
by Bot-C October 01, 2006
 
3.
Appa is a Korean term for dad or daddy.
My appa and umma are too immature I feel like I'm their parent not the other way around.
by Diviana March 24, 2010