From the Texas Dictionary...

All - 1. a liquid hydrocarbon which is produced from deep in the earth. 2. complete or whole.

Usage example:

"Hid take all thuh all in Teksus tuh keep them Yankees warm thus winner." (1. all. 2. Oil -not to be confused with the Southern pronunciation, "awl".)

From "Whut Makes You Thank Teksuns Tawk Funny?" by Ken Rigsbee (1987: Austin, TX, Oak Hill Printing & Office Supply).