Other synonyms: absence, bankruptcy, blemish, damage, debit, decline, defect, defectiveness, delinquency,
If the blow were to say break his nose that is serious bodily injury and now you are looking at a Class B felony, Assault 2. If the blow was still serious and resulted in bodily injury but not as serious as an Assault 1 or 2 then you have a Class C felony, assault 3.
Well, blowing your nose hard enough can make your ear pop, which is just as annoying as having an ear infection, and can actually kind of cause the same pains. Or it could just be a coincidence.