Someone who thinks identical to you. This person is able to finish your sentences, make statements that match your thoughts, and, overall, seems to share your brain. You may have common interests, hobbies, fears, questions, etc.
"Monica, I think that car just stopped."
"I just thought the same thing, stop being such a psychological twin."
"I just thought the same thing, stop being such a psychological twin."
by Airalk September 13, 2011