A shortened version of kthx.
Joe: I finished doing your homework for you, can you secure my server?
An acronym for Killeen, TX. Commonly used by locals.
A: "Where you from?"
B: "I hold it dine in the KTX."
A: "What's that?"
B: "Killeen, TX. Near Ft. Hood."
A: "Oh, ya I know where you talkin bout now."