offesive slang term referring to anything related to emo, hardcore, screamo etc. can be used to describe pretty much anything or as a noun used in place of the genre.
1. "You ever heard of Burning Black Tears That I Cried?"
"Yeah, they're pretty shrill."

2. Look at that really shrill kid over there

3. I saw these kids listening to some shrill and fighting the air
by rsktod January 08, 2005

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Top Definition
The act of reaching high picthed sounds when in distress, getting excited, or just when being annoying. It can be used as a noun, verb, or anything else.
"MJ keeps shrilling around the house."
"Why doesn't someone tell her to shut up?"

"Don't get shrill with me, MJ."

"She shrilled the shit out of me."
by D-$$ December 20, 2009

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Other word for mushrooms of the phychedelic type.
did you score some shrills to light up my dome peice bro.
by "biff" jeremy anderson February 08, 2008

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That one guy whose pretty chill

and quiet...
"Dude whose that guy?"

"Oh yeah, that's shrill. He's just doing his thing over there, he's calm as shit though"
by b4y-life November 18, 2013

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