A fork of Rural Dictionary
Generally, the short bus is a smaller version of a regular school bus that carries mentally challenged students to school. On rare occasions, if your school board is a bunch of assholes (like mine), you will be forced to ride in a short bus for field trips if you class contains less than 18 students.
Teacher: We'll all be going on a trip to the art museum Friday! Class: Hooray! Teacher: And we're taking a short bus! Class: ............ Time: Passes Class: *is riding the short bus on the highway* Other cars: *point and laugh* Class: *is mortified*