In Spanish slang, 'encarretado' is used primarily in Colombia and it refers to someone who is very enthusiastic or obsessed with something. It can also mean someone who is hooked or addicted to something.
Examples
- Spanish: Mi hermano está encarretado con ese videojuego, ha estado jugándolo toda la semana.
- English: My brother is obsessed with that video game, he has been playing it all week.