Slang for intercourse, so called because of the extreme curved posture of the back in the throes of passion.
by Oh-Me-Oh-My July 11, 2007

arch, to arch /ahrCH/
verb transitive
to desire to cause harm, foil plans, and generally create aggression against targeted individuals or groups, used esp. with supervillains
verb transitive
to desire to cause harm, foil plans, and generally create aggression against targeted individuals or groups, used esp. with supervillains
by Dr Girlfriend October 26, 2011

Claims he is a good boy is a thot. Invites you over and gives you his hoodies then says you should stop talking. Very low temper will get mad easy doesn't matter if he is a cunt to you. Knows exactly what to say and will have you on his knees no matter what he does.
by yoandjy10 June 11, 2018

If you're out and you are flaunting it to those whom are in denial of your status. Context: when discussing the decision to wear cosmetics and the like and/or applying them in front of those whom do not now.
"My dad was trying to tell me to change and I was like ," Think twice! Im arching it out while you aren't looking."
by Fredh2o September 1, 2013

by fueledbyshawnn April 30, 2009

When a user of the Arch operating system has to fix their operating system. The best operating system requires the most maintenance and fiddling with settings.
by gortgamer October 14, 2022

Math: Man I tell you that waiter is fucking flirting with you!!
Vince: Uh.. really?
Mel: Yup!!
Kev: Yup!!
Math: YUP!
Vince: ARCH!!!!!!!!
Vince: Uh.. really?
Mel: Yup!!
Kev: Yup!!
Math: YUP!
Vince: ARCH!!!!!!!!
by Mathieu Grenier October 3, 2004
