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slang An initialism of "way to go," a congratulatory expression. The initialism is used in text messages and online communications. A: "Just found out my story's getting published in August!" B: "Wow, WTG man!" A: "I'm the only one on this forum who has the courage to say what they mean!" B: "If you mean by criticizing and harassing others, then yes, WTG."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.