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1.
a attempt which has ended poorly

a person with a high failure percentage

a rejected plan of action
"I started surfing, fail mission. I'm over it"

1 "Did you find a dress yet?
2 "I went shopping last night, What a Fail Mish! I'm fucked!"

1 "Look at John, he is about to go hit on that hottie"
2 "What a fail mission. No Chance."

1 "Lets go to Tijuana to score a pound of Meth!"
2 "That is the biggest fail mission ever, I'm in."
by SC Monster June 02, 2012