Colloquialism derrived from "Ab Initio" meaning from the beginning.
Ab ignition is used as a modifier before a verb, and means to light a fire under something from the beginning to make sure it moves as fast as humanly possible.
Part of the ab ignition pay review
Ab ignition that shit, I need it operating fast as fuck
We need an ab ignition solution to that clusterfuck
Friend: Ay bro, can you light me a regular cig? Me: Nah, I'm gonna ignite the dynamite