It defeats the purpose of the bell, teachers keep students in because they don't care about the students, and want them to keep them in for an "important" reason. Why can't the teacher go over it next time?
Bell: *rings*
Me: *gets out of seet*
Mrs Hooker: The bell doesn't dismiss you, I do
Me: Srsly?
When she’s on bottom, lying face-down on the bed while you lie down on top of her (or hover above her in a semi-pushup position, entering from behind. Her legs should be straight and her hips slightly raised to meet you.
C:" we have 30 more seconds left of class"
*bell rings*
T:" Everyone sit down. You did not respect the substitute. I said, The bell does not dismiss you. I do. Because I have authority "