Top definition
An acronym for Go Back To Africa Nigger. Usage is just entering the mainstream internet culture. Used frequently when insulted by other acronyms such as stfu, this acronym is primarily used in these situations due to it being relatively unknown.

Note: This is not in any way racist as it is most commonly used on people who are not black and is multicultural in its use.
For my example, I will be using an irc chatroom conversation:

L_D: .
Incorrect: STFU
L_D: gbtan
Incorrect: WHAT
by lung(maybe) June 22, 2007
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