A Cassius is an annoying piece of shit
Person1: look it's Cassius
by Stream Epiphany December 29, 2018
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Dumb Ass. He is unable to remain faithful in a relationship. If you see a cassius, run the other way unless you want a broken heart.
girl: Do you think i should date cassius?

other girl: Hell no, hes a fuckboy!!!!!!
by Mrs.Turtle February 12, 2018
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Cassius is a dumb person who has no friends and is ugly, if he has friends they are all nerds. Except for one of them (my name is cassius and I approve this message)
Cassius is dumb
by Cassius=stupid September 21, 2020
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Egomaniac, who is insecure and lacking in intellect. Often seen with cretins and other idiots
Everybody hide! that cassius is coming.
by dr. feelgood March 1, 2005
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the given name to the famous boxer, Muhammed Ali, before he became a muslim

see muhammed ali
Cassius Clay became Muhammed Ali
by PreOwned August 27, 2006
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A man who comes from the Netherlands and speaks fluent Dutch. A very brave and adventurous person who cares about his peers.
"I am a great Cassius Martinez". "But are you a man who comes from the Netherlands and speaks fluent Dutch. A very brave and adventurous person who cares about his peers". "Yes I am"
by Dutch Supermarket March 22, 2017
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To deliver a beat down (physically or verbally) to another (sorry) person in a way that makes the defeated party unable to walk with their chin up and chest out. Basically an ownage/pwn

Definition derived from the beat down that Cassius Clay (formerly known as Muhammad Ali) gave the now infamous Sonny Liston.
James: Dude don't make me come over an Cassius Clay you man!

John: Why don't you try it?

<James goes over to John and gives him a whooping>

Sean: John you just got Cassius Clayed fool!!
by Lynxx May 12, 2009
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