Definition of "Teflon"

Teflon

/ˈtɛflɒn/

proper noun
1. A brand name of polytetrafluoroethylene (“PTFE”) products, latterly applied to other fluoropolymer products.
noun
countable and uncountable, plural Teflons
1. Multiple film, resin, coatings, fabric and surface protectors made with PTFE (polytetrafluoroethylene) or fluoropolymer and surfactants not made with PTFE.
  Quotations
  ...tweeting in defiance at all those horrendous scandals that were meant to destroy his campaign. He made teflon look sticky.
  2016 November 9, James Eagle, Donald Trump: Why is the world so surprised?‎, retrieved 30 October 2017
2. Synonym of polytetrafluoroethylene (“PTFE”)
adjective
not comparable
1. (informal, of a person) Having an undamageable reputation (by analogy with nonstick Teflon surfaces).
  Quotations
  But Ronald Reagan, by everybody's definition, was the Teflon president, and it wasn't that the media tried to touch him and failed.
  1995, Liz Cunningham, Talking Politics: Choosing the President in the Television Age
  He would have called the man by his first name and said, Not at all, so and so, but though he was very good at remembering names where clients were concerned, there was something very Teflon about these guys and nothing about them was sticking with him.
  2010, Elizabeth Ann Scarborough, The Godmother's Web, Gypsy Shadow Publishing, page 33