acronym for Ass To Crack Tie In. Also known as the taint of a woman. The border between the anus and the vagina.
I shot my load right on her ATCTI.
by Jackmik November 26, 2010
Get the ATCTImug. Get the ATCTImug. Get the ATCTImug. Get the ATCTImug. We'll email you a link to sign in instantly.