the act of inserting a banana into your partners ass, breaking the banana, and eating the banana out of their ass. extremely kinky.
guy 1: last night me, sam, and jalen gave each other banana buttjobs. it was so kinky!

guy 2: really? you shouldve got out the chocolate.

guy 1: oh we had chocolate, believe me.
by BANANAbuttjobGIVER January 13, 2010
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