To stick your own dick up your ass; to fuck yourself
He had no idea that autofucking could feel so good
by Aurvropea May 5, 2017
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When you are tired of telling someone you are textin autocorrect when something is typed wrong
Tyler: Humpba dead Moorhead

Adam: WHAT?!?!

Tyler: autofuck
by Autofucked March 31, 2014
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when your dick is so numb from fucking all night your pelvis is thrusting in a repetitive motion from habit
Jenny: OOOOOh yeeeaaah! uh! harder!
Bob: Sorry honey, i forgot you were there, im on autofuck right now.
by trillestchic May 28, 2008
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