General Definition: 1. The action of sliding an object into a container or covering or any thing or any action directly or indirectly associated with this, especially slippers. As a Noun: 1. Loose, soft shoes that you wear in the house, especially when it is cold. English = slipper, slippers. 2. Loose fitting shoes that do not have laces or buckles which you simply slide your feet into. English = slip-ons. As a Verb or Adjective: 1. To put on a slipper, to put on a pair of slippers; to slip on.