Sinéad

The Irish variation of ‘Karen’

Sinéad wouldn’t wear a mask.
Sinéad is always harassing people for no reason.

by SPEAKER OF THE WORDS April 25, 2021

Sinead

Sinead is a bitch and will most likely bring misfortune to your life , she will constantly disturb you and can be very clingy quite often.edge lord think shes special just because she likes art , fakes depression ,snob very self absorbed , loves BTS

A:That girl is so basic , who is she?
D:I honestly don't know , most likely a sinead though.

by andy loves candy November 14, 2019

sinewave

Bad Motherfucker

Hey Lou, did you know sinewave means 'Bad Motherfucker'?

by go March 12, 2003

Sinamachai

Sinamachai is a proper noun that describes James Goodman when he is RIPPED. It is actually his nickname, although he made it up himself, which is kind of illegal. He is a white trash burn-out.

Sinamachai, you can only be kicked out of the dorms once. You're so worthless that you'll be working at a minor league baseball stadium for the rest of your life.

by Jerry Spinelli June 15, 2004

sinetarly

a puke green flower.

i'm gonna go plant a sinetarly in my front yard!

by c and d May 13, 2007

sineralative

to jump really high with an intence amount of speed and power

"Stop jumping so sineralative, and settle down."

by Madandmental322 January 24, 2009

Sinamatic

It's indescribable and has no meaning, it is what it is. It is also a record label for the crew who belong there

The Sinamatic crew have all the records and cannot be controlled! They are Sinamaitic

by mr mcLean February 13, 2012