Give-a-shit factor low is comparable to 0 fucks being given, and/or a high happiness factor; inshallah.
My GAS factor is pegged at 1, guy. Good luck with that.
When something is top-notch, whether it be an action, a type of food, or anything really. Commonly used as a more intensive substitute for "gas".
Man that bacon cheeseburger was J Gas.