Anatomy of the anus and rectum. Defecation is the final act of digestion, by which organisms eliminate solid, semisolid, or liquid waste material from the digestive tract via the anus. Humans expel feces with a frequency varying from a few times daily to a few times weekly.
Grievous bodily harm (often abbreviated to GBH) is a technical term used in English criminal law which has become synonymous with the offences that are created by sections 18 and 20 of the Offences against the Person Act 1861.
Malice aforethought is a legal term of art, that encompasses the following types of murder:  1 Intent-to-kill murder.  2 Grievous-bodily-harm murder - Killing someone in an attack intended to cause them grievous bodily harm.  3 Felony-murder - Killing someone while in the process of committing a felony.