Pensarse

[fglorca]

Lyrics from Me voy de casa (a Mecano song):

Al salir de casa dio un portazo tremendo
Todos se quedaron sin la respiración
Ellos se pensaron, volverá al momento
Y él se fue corriendo y cantando esta canción

Is “se” pensaron correct here?
Does it mean they thought “to”’ themselves?

Many thanks.

[Tomisimo]

Just taking a shot in the dark here, but could it be an informal/non-standard way of saying "They thought to themselves" or "They thought among themselves"?

[AngelicaDeAlquezar]

I'll have to let our members from Spain correct me, but as I've seen it used, "pensarse" in Spain is used in the sense of assuming something.


- Se pensó que era un comunista buscando follón.
(Another Mecano verse) He thought that I was a communist wanting to get in trouble.


- ¿Quiénes se piensan que son?
Who do they think they are?


- Si te piensas que voy a tener al perro en mi casa, estás muy equivocado.
If you expect me to keep the dog in my house, you're very wrong.