The invisible duck that follows people around spontaneously making quacks that miraculously sound like farts.
.....fart.... "Hey did you hear Dennis? Where is that little bugger?"
by idonteatenoughpies December 3, 2013
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1. n; the onomatopoeic sound effect of bouncing boobs.
2. v; the act of boobs (or the owner of said boobs) creating this sound by bouncing.
1. i could recognize that dennis a mile away
2. so jenna jameson comes dennising up to me, right?..
by pais October 6, 2006
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A person that is extremely smart and imaginative. He is nice overall, at least that's what people think. He actually has no feelings at all! Scientists have a theory that a Dennis is cold blooded
by WhosThis??? July 27, 2017
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If someone is swearing alot in a conversation they should be temporarily named Dennis. The words fuck, fucking or fucked are the most commonly used by Dennises.
Person 1, I've just fucking broke down in my fucking car for fuck sake it's completely fucked.

Person 2, alright Dennis
by THE GPC July 11, 2016
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The most amazing and cute gay u could ever meet he takes so much care of his girl and he loves them so much if u could have him in ur life u r the luckiest girl ever
Denny u r so amazing
by Derekita April 2, 2018
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Hillbilly, white bread, chicken humpin cracker, suffering from 10 days of funky sack, hygiene is for shit, doesn't bathe and wears the same clothes for a week. Smells like a moldy jack rag. He's also fighting a loosing battle against beard dandruff, which during breakfast, can leave "snow" in my sweet sweet syrup. Chain smoking to the point that he reeks of fumunda cheese and ashes. A work out consists of eating a fun size bag of m&m's, and after only 2 he's in need of mouth to mouth, but is only worthy of ass to mouth.
That nasty mother fucka, needs to go home and engage in some pit and taint scrubbery, change them funky drawers, and pop a tic tac, just being near him makes my eyes water and burns my nose hair, smelling like a week of rotten back ass, what a dennis.
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