Top definition
A cross between the name Mairead and a cunt. Mairead being a two faced treacherous person and a cunt being.....well, a cunt. Definitely not to be trusted.
You are such a cuntairead for feeding the fish twice today. You know they should only be fed once. Too much food will kill them. And please stop fornicating with my best friend. You cuntairead!

by Conal December 16, 2007
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