arching your back

When a flat girl arches her back to make her look like she got curves.

Why are you arching your back like that?
Oh I just need to make me look like I have boobs and a butt.

by Zarina o July 04, 2018

National arch your back day

June 1st , walk around with your back arched like some flat girls at school. Because it’s what you guys are best at archin dat shit

“Hey it’s national arch your back day act like the thots !”

by Hotjalapeño May 21, 2019