K.S28's definitions
When someone preaches some truths, you use this phrase (usually in comment sections online) as a way of agreeing.
For instance on Facebook you may have:
Person A: "You should never blame a whole group of people for the actions of a few people within that group!"
Person B: Say It Again Louder For The People In The Back.
Person A: "You should never blame a whole group of people for the actions of a few people within that group!"
Person B: Say It Again Louder For The People In The Back.
by K.S28 May 16, 2018
 Get the Say it again louder for the people in the back.mug.
Get the Say it again louder for the people in the back.mug.