Notwithstanding thou mayest kill and eat flesh in all thy gates, whatsoever thy soul lusteth after, according to the blessing of the Lord thy God which he hath given thee: the unclean and the clean may eat thereof, as of the roebuck, and as of the hart. (Deuteronomy 12:15)
The reference here is to a common meal. Apparently the hunting of deer was no more uncommon then than today. Because this meal was not a sacrificial one, ceremonial cleanliness was not insisted upon as in the case of a sacrificial meal (Deut. 12:22; Lev. 7:20).
Kill and eat.
This is a modification of the law in effect during the wilderness wanderings, which prohibited the slaughter of animals for food except at the door of the tabernacle (Lev. 17:3, 4). The new law applied to residence in Canaan.