bowel hits

The act of inserting a "whip" (vaporizer inhalation tube) into the anal orifice and 'Vaping' (inhaling the vapor of) Cannabis through the act of heating the dry herb, stopping before the point of combustion.

Ex.1: Jeff turned on the vaporizer, it heated up, and Everyone , anus out, lined up to take "bowel hits."
Ex.2: sometimes you don't want to share the same anal whip when taking "bowel hits."