The feeling of excessive pain, such as a headache or similar aches/pains in various body parts. Can sometimes be emotional/mental pain as well
The Mubar-ache started more than 2 weeks ago, and still won't go.

or

I had a fight with my girl. She's such a Mubar-ache
by Alijandro-Bu7sain February 7, 2011
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Woah dude that cars really misty ache!
by Misty girl October 28, 2013
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A word used to signify a mistake; Typically used among the youth.

The CH is pronounced the Welsh Way.
"So, remember that time where I told you We went on a roller coaster?"
"Ach, I meant a Roller skate..."
by julisonsq10 July 17, 2022
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An Ach is a person who is a dick and is very manipulative. He is hated by everyone.
1: Oh, I hate that guy.
2: yeah, he’s such and Ach
by Ch3nc1L YT March 31, 2020
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A term used to describe a horny individual (usually female)
Janet has been texting me non-stop, she's aching to get boned
by Steve Horbachuk1 May 20, 2015
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When you learn so much your head hurts.
Dude, we were taught so much in math class I have a learn ache!
by Abitty03 November 4, 2017
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