May I be excused?
A polite way of asking if one may leave some place. Mrs. Watson, may I be excused? My stomach is really bothering me. I'm full, Mommy. May I be excused?
May I be excused?
May I leave this place, please?; May I leave to use the toilet? Nature calls. May I be excused? The student raised her hand and said, "Teacher, may I be excused?"