Similar to the minivan, it is the act of inserting one fist and one foot into the vagina, and one fist and one foot into the rectum. Called the schoolbus because its 10 in the front, and 10 in the back.

A Yellow Bus That picks up Students for School and BaseBall, Football Games. a bus that comes in the morning to pick you up to be on time for School.

Although the true meaning of this word is really a mystery, one can safely assume that, when used correctly, it refers to a sexual technique. The phrase "to do someone schoolbus" was born after a young Japanese boy told his American English teacher that "I do you schoolbus".