GTG

I have to log off, I have to disconnect (Internet chat slang)

Internet slang/language is slang that Internet users have coined and promulgated. Such terms typically originated with the purpose of saving keystrokes, and many people use the same abbreviations in text messages. They are also very commonly used in instant messaging. The terms often appear in lower case, with capitals reserved for emphasis; for example, the pronoun "I" often appears simply as "i." People also use "u" to mean "you," and "r" to mean "are." Also, many times people do not use apostrophes or punctuation in correct spots. Example: hey im so bored r u?
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<chat> Got to go. The user is about to stop chatting.
(1999-06-07)

Got To Go  For more possible definitions for GTG, click here
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Airport Name: Grantsburg Municipal Airport
Airport Location: Grantsburg, Wisconsin, United States
IATA Code: GTG
ICAO Code: KGTG