My favorite is "Crime Against Nature":
The unnatural carnal copulation by a human being with another of the same sex or opposite sex or with an animal, except that anal sexual intercourse between two human beings shall not be deemed as a crime against nature when done under any of the circumstances described in R.S. 14:41, 42, 42.1 or 43.
"Engaging In A Fistic Encounter" is fighting. Fistic is an old English verbiage of fisticuffs, as in hand to hand fighting or boxing.
Louisiana law is based upon Napoleonic law and not English standard law.