Tooth is about to fall out it is bad infection and my jaw and chin bone to sore to touch my whole face hurts swelling under chin, can this be life th?

Yes. It can be very dangerous. See a dentist immediately or go to the emergency ... Asap !
Get to an oral surge. Since it is the weekend most hospitals have oral surgeons on call.
Caries /infection Th. Infection around the carious tooth (damaged tooth by bacteria) can cause inflmmation with swollen gums without bone involvement, can cause dental abscess with pus formation, the abscess extending into the bone causing bone infection also. U need the defective tooth to be pulled out , pus drained out if there, plus antibiotics and antiinflmm.Meds.Infn.Can mix wihh blood , especially in cond.Dm.See dr.