To watch a show with a group of people. Typically used to replace "watch" in a sentence when talking about a TV show or movie.
Jake: Are we going to arch Riverdale's new episode today?
Tristan: No, I have to study for the SAT tonight.
Joe: Just do ittomorrow. We need to arch out.
*2 weeks later*
Jake: Can You be the last mortimer we arch for a while?
BCI "Arch is everything, nothing and something. Arch is omnipotent, omnipresence and omniscience along with nothingness. Arch goes beyond existence and limitation, and arch is infinite. Arch is perfection and imperfection. It's comprehensible and incomprehensible at the same time. Arch is above you, below you and with you at the same time while being away from you. Arch is what makes the time flow and halt. Every word of the language is Arch. Arch is Arch."
What the Arch are you doing?
Arch Arch Arch Arch!
I have arch stuff to do.
To neatly place the arch of your foot into the arch of your partner's or friend's foot. Commonly known to provide pleasure and satisfaction to whoever involved.