orinaban
Imperfect ellos/ellas/ustedes conjugation of orinar.

orinar

Yo pensé que se orinaban entre ellos.
That's the finish? I thought they peed on each other.
Algunos incluso se orinaban en los pantalones.
Some even wet their pants.
Si ambos padres se orinaban en la cama cuando eran pequeños, es muy probable que su hijo lo haga.
If both parents wet the bed when they were young, it's very likely that their child will.
Word of the Day
hopeful