Mangas (en. Sleeves)
/ˈmaŋɡas/
Slang Meanings
Refers to a person who is dressed very casually.
Today I don't feel like dressing up, I'm going to go out in casual clothes.
Hoy no tengo ganas de arreglarme, voy a salir con mangas.
In some contexts, it means to let things happen freely.
I'm going to give a wide sleeve at the party and let everyone have fun.
Voy a dar manga ancha en la fiesta y dejar que todos se diviertan.