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.
A famous line yelled by Al Pacino in the movie Scarface.
Pacino: Say hello to my little friend! (Fires gun)
a christian version of "thats what she said" primarily for people who are putting sex off until marriage
"its so big"
"thats what shes going to say!"
A nickname given to a mascara by an absolute QUEEEEN
“I’m gonna use the better than mom won’t let me say it today”
the absolutely best way to respond to all of your girlfriend’s observations
Though not totally listening to what was probably a super important thing she was talking about, I respectfully replied, “You don’t say, Beyoncé?”
A challenge in which the challenger messages a friend either verbally or through email/text message to stop spitting in their mouth. The challenger continues until the challenged (normally a friend) either stops spitting in their mouth, the challenger accepts defeat and dies slowly as their body is slowly replaced by the challenged’s saliva, or the challenger decides the action is no longer worth their time.
Ex: I’m going to do the Say it Dont Spray it Challenge because Lila doesn’t know how to control herself. Lila needs to stop.