NZ/AUS term. Pash is the equivalent of "snog". This is for @lame, but I hope our bogan terminology warms all of your hearts.
  1. When you pash someone for a long time, and the hard kissing causes your mouth to swell and go a bit red.
  2. Alternatively, when you pash someone with a beard or stubble, and the hair scratches up the skin around your mouth, causing swelling and redness.
  3. eg.