Definition from Wiktionary, the free dictionary
- Multiple film, resin, coatings, fabric and surface protectors made with PTFE (polytetrafluoroethylene) or fluoropolymer and surfactants not made with PTFE.
Teflon (not comparable)
- (informal, of a politician) Having an undamageable reputation (by analogy with nonstick Teflon surfaces).
1995, Liz Cunningham, Talking Politics: Choosing the President in the Television Age:
- But Ronald Reagan, by everybody's definition, was the Teflon president, and it wasn't that the media tried to touch him and failed.