look up any word, like blumpkin:
 
2.
A form of currency in a drug country. ( Colombia and others).

I went down South where I exchanged Happy Bananas for a couple keys.
by Chingate Au Wa February 25, 2007
3 4
 
1.
A gleeful banana full of joy and wonder.
HappyBanana and BabyMatt had "fun" last night.
by bricklyn April 01, 2010
11 4