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An initialism of "great minds think alike," a humorous phrase used when one has the same thought or idea as someone else, especially at or around the same time. Used especially in text messaging and online communications. A: "Hey, want to go see Titanic with me?" B: "I was going to suggest that, too. GMTA!" Tom and I both brought the same gift to Sarah's party. GMTA, I guess.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.