as slippery as ice

Similar:

  • As slick as oil
  • As smooth as glass
  • As slippery as a fish
  • As slippery as a snake
  • As slick as a seal
  • As slick as a whistle
  • As slippery as a wet floor
  • As smooth as silk
  • As slippery as a banana peel
  • As slick as a greased pig