Someone who can't pronounce words correctly event though they're fluent. Came up from someone pronouncing "eighteen" as "eghthin".
Girl: "I met this girl last night and she was so nice! But unfortunately she's an a-thin :("
Boy: "Wow dude that sucks"
Boy: "Wow dude that sucks"
by José Maria April 19, 2017

by Mullaty December 20, 2014

Accomplish a task without too much friction or resistance. Literally to fit in a space without touching the sides, figuratively to enter an event or room without being questioned or otherwise troubled.
Bringing water in to the baseball game is not prohibited, but if I bring a 6 pack of la crois do you think it will get-in-thin?
by Trunks_M June 16, 2018

by Dboy the bboy October 4, 2016

by Killan Ded September 14, 2020

by 84philv84 February 8, 2025

Thinning is a term used when describing a loc that is about to fall apart or is becoming very thin at a certain part of the loc.
"I really need to get a crochet needle to weave this loc together again; it started thinning last week."
by Machinegunlvr September 9, 2025
