come clean
Example:
Friend #1: "I'mma come clean; I let Shonda with the blonde hair stick her finger in my butt while she was giving me head."
Friend #2: "TMI bro. TMI."
Friend #1: "I'mma come clean; I let Shonda with the blonde hair stick her finger in my butt while she was giving me head."
Friend #2: "TMI bro. TMI."