1. All the necessary steps before starting the
MAIN step have been completed so it is ready to be executed. It is used if the audience knows what's the
main step.
2. To set forth.
Coming from jargon of figter pilots, who use it when they are ready to take-off with afterburners ignition (lighting the fires) after checking the
gear as part of preflight check (kicking the tires).
A: Boss, we verified the procedure and
everything works flawlessly.
B: Great, let's kick the tires and light the fires.
A: Man, we've waited so
long already.
B: You're right, it's
time to KTLF.