A form of child abuse in the mid 20th century and prior where the child would be subjected to excruciating pain by way of the intense pressure applied to the area on the finger or thumb just above the cuticle of the fingernail.
When my old man came home, he saw that my homework was not done and the house was a mess. He then pursued in milking the rat until I did my duties.
Phrase old fuckers used to use to describe really fucked-up seemingly normal people. All bets are off in this situation because now this means the batshit crazy person loses their shit pretty fast and wants to fuck someone up real bad. My advice: run. The short modern version is: crazier than a shithouse rat. The clean version is: crazier than a rat trapped in a tin hen-house, but dont' even use this version around more than three women who are over 30 or they will fold their arms, lower their head a little while glaring at you --like you just offended their pussies.
A Stoker or Spanner Wanker in the Royal Navy. Officially, they are Marine Engineering Mechanics or MEMs. Also, it's accurate since they usually spend a lot of time in the underbelly of a ship.