fixing to (do something)
Preparing to do something. "Fixin'" can also be used. We were fixing to go out to dinner, but then the baby got sick. I'm fixin' to mow the lawn, that's why I have my overalls on.
fixin(g) to do something
Rur. getting ready to do something; getting ready to start something. I'm fixin' to go to the store. Need anything?