Marines are known as "leathernecks" from the uniform collars they wore in the 19th century.
Some slang terms for arsonist are firebug, torch, and pyro.
Here are some slang terms for potatoes:SpudsTatersMurphyTots
fine
The slang terms I'm familiar with are: P.I. Private Eye, Peeper and Dick
Here are some examples:CarJalopyFlivverRide
bucksgreenbacks bills
Fabu. or Fab.
shela
Angel dust
Hoops, bangs
Some slang terms for suicide include "offing oneself," "taking one's life," "dropping out," and "doing oneself in."
"Wimp" is a slang term. It means a weak, ineffectual person.