This is the 11629th most frequent Spanish word.
forren
It seems "forren" is not a standard Spanish word. Could it be a typo or regional variation?
Here, 'forren' is used as the subjunctive form of the verb 'forrar' (to cover or line). It suggests a hypothetical or desired action.
¿Que forren la mochila con plástico para protegerla de la lluvia?
Should they line the backpack with plastic to protect it from the rain?
In this sentence, 'forren' again reflects a recommendation or necessity represented in the subjunctive mood.
Es mejor que forren los libros con papel resistente.
It is better that they cover the books with durable paper.
Here, 'forren' is used to convey a wish or expectation, highlighting the subjective mood's function in expressing desires.