Top Definition
A word of which was founded when swapping the first letters of the phrase "Mission Failure"
1. A Complete Fail
2. The Act of Mailing A Fission
3. "WoW YoU F41L 50h4rd u n00b! Tr0l0l0l0l0l!!"
(Man is masturbating)Ohhh Babbyy hheerree iitt ccoommees!!! 'squirt' Whaaa????!!!! "FISSION MAILURE"

Man you real Mailed your Fission when you passed out at your wedding bro (ALL)"FISSION MAILURE!!!"
by DatOneNigga January 23, 2012

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