Always there for you when you need her. Usually not the messing around type but she is funny when you get to know her. She is always on task and never messes around.
Boy at school: "I think she likes me"
Sirenity gives a glare like that boy is crazy.
by Aaron_3729 November 30, 2016
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A loud noise, thus meaning people can therefore, hear it so they don't die.
Pat Lapiene didn't hear the siren.
by Fat Boy Kemp October 21, 2003
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Siren - An Awesome person that everybody loves, but nobody knows why.
She is not popular, but everybody still loves her, they just don't say.
Not noticed.
Damn! That girl Siren, Everybody likes her!
by ConnorZeDick August 17, 2017
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When you read a message but you don't reply
When you ignore a question
When you give sharp/biting answers
When you are online and you don't answer
To sirenate
She's sirenating me, she reads my whatsapps but she won't answer!
Hey, don't sirenate me! Answer my question
She sirenates all the time, always online but never replying.
by lakuki December 10, 2017
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Siren is the best boyfriend you can ask for. He is hot and gives amazing head. He isn’t that tall but his looks hypnotizes all the boys and girls.
Is that Siren? Ugh I wish he was mine
by Nickistan12345 June 13, 2021
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1. Hot internet chick. 2. Someone that inspires. 3. Internet persona of Kelly Collins aka infusion. 4. Pud of F'd Company's girlfriend.

See also: Kelly Collins and infusion
"She's a real siren!"
by jixtoon December 6, 2003
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a semi pretty girl who guys only like for their voice
"she is a total siren... she isn't even that cute, but all the guys want to hear her sing"
by anonyonyonymous April 4, 2010
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