A pissant, also seen as piss ant or piss-ant, refers to a specific type of ant. The word is also used as a pejorative noun or adjective, indicating insignificance.he original pissant is any of a certain group of large ant species, commonly called wood ants, that make mounded nests in forests throughout most of Europe.
The most common cause of pain in the lower right portion of the abdomen is appendicitis, or an inflammation of the appendix. It occurs in about 10% of the population and it is most common between the ages of 10-30, although it may occur at any age.
1 Appendicitis: Inflammation of the appendix, in the lower right colon. 2  Usually, an inflamed appendix must be removed by surgery. 3  Cholecystitis: Inflammation of the gallbladder, causing severe right-sided abdominal pain. 4  A gallstone blocking the duct exiting the gallbladder is usually responsible. Peritonitis: Inflammation of the covering of the abdominal structures, causing rigidity and severe pain. 2  Usually, this is due to a ruptured or infected abdominal organ. 3  Acute abdomen: A medical phrase doctors use to suggest that peritonitis or some other emergency is present and surgery is likely needed.