1 definition by kyle c smith

A word used when one person claims he/she will do/say something and you think they won't.The penalty for not doing what they said they would (when a shananagains is called ) results in them being hit in the balls / boobs by the shananagee , ( person who calls shananagains ).
person 1:I swear im going to kill him someday.
person 2:shananagains!
by kyle c smith May 19, 2008
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