Noun
written permission from a teacher for a student to be out the classroom and in the halls of the school
Source: WordNetI'd never heard of a hall pass until I came to America. It sounds like something at school. Nicky Whelan
The Farrelly brothers are American screenwriters and directors, whose credits include "Dumb and Dumber," "Hall Pass," "Shallow Hal," "There's Something About Mary," "The Three Stooges" and "Dumb and Dumber To." Source: Internet