Chaldean or Arabic word for "i just fucked". Usually followed by the word "bro"
Chaldean 1: Silli Broooo!!!!
Chaldean 2: Me too! Erub cuta!!!
by BLGFTW December 18, 2009
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When a male gets an Erection for no reason. It basically means a random boner .
Example: I got a Silly in Math class today thinking about that food I had for dinner last night.
by S dog February 17, 2018
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Silly is being able to make everyone laugh every single damn day just by turning up
There is no better example of silly than a dude called Luke
by Lukemia August 13, 2015
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A word used in place of words such as:
- stupid
- dumb
- ridiculous
- funny (in a weird way)
*Kid starts throwing shit *

Kindergarten Teacher: "Oh, you are sooo silly, Bobby!"
by leschoristes354 March 16, 2010
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Correct definition:
1.
weak-minded or lacking good sense; stupid or foolish: a silly writer.
2.
absurd; ridiculous; irrational: a silly idea.
3.
stunned; dazed: He knocked me silly.
Guy: Wanna go on a date?
Girl: You're so silly.
Guy: Is that a yes?
Girl: NO.
by Grey6116 September 2, 2012
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Silly is a nickname given to someone who looooves to spill tea and start beef. Silly is also another name for a horse who has disabilities. Being called silly can also mean you are just a freak of nature or failure you will never know.
Silly, quit starting beef with everyone.
Once again silly spilled the tea.
Hey quit being a sellout silly.

Oh nahhhh there’s that boi silly.
by That1pintobean November 30, 2018
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Pronounced with the highest voice possible. It is said when the circumstances or actions of a person are extremely ridiculous. The history of this word comes from when Thomas' mum, in response to the question, "Does Thomas have a girlfriend?" answered "No, Thomas thinks girls are silly!" This story has evolved into one where Thomas' mum says the sentence extremely quickly and with a very high voice, hench the pronounciation of silli. Silli can be used in addition to other words that sound like or ryhme with silli eg. 'willy' or 'little'as long as the other words are said in a high and fast tone.
1.
Jim:"Shit, Miss Kent just blew up the chemistry department becuase she mixed potassium phosphate with magnesium nitrate!"

John: "Silli!"

2.
Jim: "Did you hear what James did? He tried to break into Billy's house but he went to a council flat in Balham!"

John: "Thats a little bit silly becuase Billy lives in a pavillion in Picadilly!"
by Phaidan October 22, 2006
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