1 definition by Matt Cotton, Derek Payne, Mark Pfleughoft

Top Definition
1)Expression of anger or annoyance, usually screeched in a high pitched voice, as if by a small angry creature. Usually followed by "Rakinishu"

Can be combined with said Rakinishu in an ultimate expression of annoyance/anger, "Rakibishiboshinishu"
Someone i hate: hey whats goin on, i just blah blah blah blah

You: .................................................................................BISHIBOSH!!!!!!!!!!!!!!!!!!!!!!!!!!!!! RAKINISHU!!!!!!!!!!!!!!
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