Someone who smiles way too much to be a normal human. They are always happy even at six fucking am on the day that Hitler rises from the dead and carries out nine-eleven all over again. They are probably just an alien attempting to understand human behavior to know if we should be enslaved, destroyed or left alone. They are, however, well meaning so don't hurt them, I don't need earth getting destroyed because you punched a smiley motherfucker just because they were too happy.Someone who smiles way too much to be a normal human. They are always happy even at six fucking am on the day that Hitler rises from the dead and carries out nine-eleven all over again. They are probably just an alien attempting to understand human behavior to know if we should be enslaved, destroyed or left alone. They are, however, well meaning so don't hurt them, I don't need earth getting destroyed because you punched a smiley motherfucker just because they were too happy.
Dave: You killed Greg you smiley motherfucker!
Possible Alien: Next I will cure this world of humanity.
Definitely an Alien: MUHAHAHAHA.
by No_Off_Switch December 5, 2014
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When a male takes his dick, moans like a fucking manatee, and slowly bumps his bitch. Ladies think it’s weird as shit, but nobody gives a damn at this point.
Dudes an Ol Seacow Motherfucker. I know from experience!”
by BlazingFury January 7, 2018
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When a Russian mob hitman pushes a pistol against the back of your head.
Mob hitman: Priviyet.
Target: Yes??
*the hitman now pulls out his pistol, flicking the safety off and pushes it against the target's head*
Mob hitman: Dasvidaniya, motherfucker.
by Aesthetix February 6, 2020
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The mother of all fuckers. "Mother" is used as it is in "motherload", in which it is the ultimate version of something. Therefore, motherfucker is the ultimate fucker.
"This is the motherfucking best!"
"You sly motherfucker, you!"
by motherwriter September 5, 2023
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