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1.
When you judge somebody (usually in a negative way) before you know them very well and then in the future end up becoming a good friend of them.
Jim: Didn't you say you hated that guy?

Joe: Yeah, but he is my boomerang buddy.
by Quackbar October 19, 2009

Words related to Boomerang Buddy

boomerang buddy friend pal roller coaster hate love