to pee
El tipo se metió entre los arbustos para mear, quizás, pero no volvió.
The guy went into the bushes to pee, maybe, but he didn't come back.
— Un día de furia (1993)
El conductor fue a mear y él se lo llevó.
The driver went to pee and he took him with him.
— Mystic River (2003)
No preguntes cada vez que tengas que mear.
Don't ask every time you have to pee.
— Cadena perpetua (1994)