2 Chainz — real name Tauheed Epps (who also goes by the name Tity Boi) — was entering the Delta terminal to fly to a show in North Carolina … when the TSA discovered brass knuckles in his bag.
Law enforcement tells TMZ … police were called to the scene … and 2 Chainz was taken into custody for misdemeanor possession of a criminal weapon at 1:45 local time.
2 Chainz — famous for his hit song “Spend It” — is still in police custody.
A rep for 2 Chainz tells us … his team is “handling the situation.”
Story developing …