1. The act of a football video game deliberately cheating by having your team fumble the ball at a critical point or at the moment you are about to break a record.
"Remember when Michael was just about to break the all time record of rushing yards in a game when the game fumblefucked him."

"Just when I was taking the ball in from the 1-yard line to win the National Championship, the computer fumblefucked me."
by Todd and Michael January 11, 2007
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To make an incredibly inept attempt at something with little or no forethought or experience.
I always thought, when I was a child, that one day I would wake up and miraculously have all of life's answers, but as I have gotten older I realize how badly my parents fumblefucked their way through life!
by Lord Endsville July 20, 2009
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A discombobulated, uncoordinated idiot who runs into crap and can't hold onto anything, physically or mentally.
1. "He's such a fumblefuck..."
2. "Heylo, my name is Darius Fumblefuck."
by Aaron - Jewzilla September 3, 2007
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someone who constantly drops things and is extremely clumsy.
I cannot believe what a fumblefuck, a can be.
by dizziupthegirl January 8, 2016
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1. The act of a football video game deliberately cheating by having your team fumble the ball at a critical point or at the moment you are about to break a record.
"Remember when Michael was just about to break the all time record of rushing yards in a game when the game fumblefucked him."

"Just when I was taking the ball in from the 1-yard line to win the National Championship, the computer fumblefucked me."
by Todd and Michael January 10, 2007
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