shrinker

noun5

1. •
   Something that makes something else shrink.
2. •
   (slang) A psychiatrist; a head-shrinker.
3. •
   A sock-like article used to compress a stump remaining after amputation.
4. •
   One who shrinks or recoils.
5. •
   Something that itself shrinks.

   • These can be called the Blaster (aggressive), the Shrinker (overly passive), or the Me (effective). — 1996