Definition of "stiffer"

stiffer

adjective
1. comparative form of stiff: more stiff, more rigid, more inflexible, more unbending.
noun
plural stiffers
1. (slang, vulgar) An erection of the penis.
  Quotations
  It was made up because I had a stiffer and a standing prick hath no conscience. And if that standing prick is attached to Bruce Robertson then it hath less than no conscience.
  1998, Irvine Welsh, Filth