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Short for "Got To Go, Sorry, Bye". Used for when you're in a hurry. If used in real life, it would be like saying
as one word.
Abbey: I love you
Gee: Erma...gtgsb! *logs off*
Abigale: You owe me $1330.
Gabba: Gottagosorrybye! *runs away*
by Choo-Choo McGrew January 02, 2007
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