putting (in), inserting
No sé cómo Matias no veía en lo que se estaba metiendo.
I don't know how Matias didn't see what he was getting himself into.
— Tropa de élite (2007)
Entra, se están metiendo los mosquitos.
Come inside, the mosquitoes are getting in.
— Five Nights at Freddy's 2 (2025)
Metiendo su mano en el bolsillo, Dima sacó una gigantesca maleta.
Reaching into his pocket, Dima pulled out a gigantic suitcase.
Los niños están metiendo demasiado ruido.
The children are making too much noise.