A brothel keeper in charge of the nookie. She makes the deals. She keeps the books. She pockets the money and THOT spreads'em. Mary Ann Conklin (1821-1873) was a shrewish madam who cursed like an Irish sailor in several languages. She ran the Felker house in Seattle, a brothel that serviced sailors and lumberjacks. She built a strong no-nonsense reputation. Once one of her customers asked for a receipt and she answered by flinging hot firewood his way.
Mathematically speaking, Jerk is a vector with no general term to describe its scalar magnitude or chaotic behavior. Psychologically speaking, Jerk is an asshole with several terms to describe its scummy scalar magnitude and cantankerous chaotic behavior.