A prepositional phrase, often implemented when excitement arises towards any and everything. Occasionally referring to positive feedback.
Antoine: Jamal enters the room "TELL THEM!"
Jamal: "WHAT'S GOOD ANTOINE?!"
Lakers win the championship..."TELL THEM!"
Antoine: "Shawty gave me some mean Doug Funnie, yo!"
Jamal: "TELL THEM!"
Antoine: "Yo, I'm about to go to the grocery store to get some eggs. I'll be right back."
Jamal: "Tell them."