Q&A KidsWhy did the student sit on the textbook?They wanted to get on top of the subject.Why it works: The idiom “on top of the subject” is interpreted literally.Copy jokeSave▲ 0Topics connected to this jokeBestCleanFunnyKidsPunPuns for KidsSchoolSchool Jokes for KidsSchool PunsSchool Puns for KidsStudent