coser

A contracted form of the word “cosplayer.” Someone whose hobby involves costuming as characters from anime, comic books, tv/film, literature, and other sources.

Katie is a dedicated DC coser… she has Harley, Poison Ivy, Catwoman, and Batgirl cosplays.

by AMHCosplays February 1, 2022

Coser

A woman (usually a tennager) that uses air, tissues or paper to make the illusion that their breasts are larger than they really are. False advertisement.

"God Ashley is such a Coser!"

by Snarkle Janglebond May 19, 2006

cosers

When someone is cosers, that means they are beyond comfortable.

"What are you up to Andrew?" "Well babe, I decided to get all cosers and await your return"

by Coolie Whistles August 24, 2019