a really cool girl. they generally have a love for emos. can be found in most scene places. they are very good looking and have a great scene of humour and personality.
they are generally the radest girls around.
=
person 1- omfg that girl is such a sinead.
person 2- yeah but nowhere as cool as the original sinead!
by pipha August 3, 2006
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The act of publicly Virtue Signaling your acceptance of foreign religions and cultures. (Sineading on social media)

To "Sinead" means to act morally superior by being publicly accepting of everyone.
Why does Brianna feel the need to Sinead on Facebook? Its really annoying that she acts so holier than thou.

Stop Sineading Brianna! We get it, you think your shit doesn't stink.
by Vladar October 28, 2018
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sinead: a slang word for syphillis,people who often rely on the 'sinead' catchphrase,have problems with basic pronounciation
i contracted the sinead virus!!!
by pinnochioo1 December 3, 2010
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a cheater and a really bad girlfriend,also she like 3 foot tall bro and also sinead rhymes with lemonade
who your girlfriend? sinead. oh god
by wowza666 June 8, 2019
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sinead: the act of putting ur kids first..
sinead went to the convienience store one day,AND FOUND OUT SHE WAS PREGGERS..

through a pregnancy test tho..lol

anyway she has her council passport now..
by COUNCY January 9, 2010
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One of the nicest people ever. Always has your back. Her laugh makes everyone laugh and she is such a funny person
Sinead Walsh - “hehehe
Everyone - “BAGAHAHAHA”
by butterbean November 5, 2019
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an Irish singer, popular in the late 80s - early 90s. In 1990 she had an international #1 hit (the Prince - written "Nothing Compares 2 U") and a #1 album: "I Do Not Want What I Haven't Got". She has great talent, an excellent singing voice and she can play some instruments and writes most of her songs, too. She has an extreme appetite for controversy however and in the autumn of 1992 it all backfired when on TV she ripped up a photograph of the beloved Pope John Paul II and shouted "Fight the real enemy!". By doing that she pissed off an entire planet because she dissed an icon admired by not just Catholics but Christians of other denominations, Jews, Muslims, Buddhists, Hindus, people of other faiths and more. Even atheists respected him for his stances on social issues and human rights. She did it to promote an album and it all flew back into her face. Sinead recordings were smashed by a steamroller in New York City. She had enough notority with her shaved head which didn't dilute her pretty features one bit. The picture-tearing incident put her fame in the trash can, as she never scored a big hit again.
Today she still says and does stupid controversial things in public, but her music career ain't going nowhere.
I saw Sinead O'Connor rip up a picture of Pope John Paul II on the Letterman show late night on TV. A few people cheered. Others gasped in disbelief.
by I Saw U2 Live Twice March 13, 2007
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