look up any word, like bae:
 
1.
A Swainie is an uncommon version of the emo, and mixed also with a stoner. a Swainie or Swainson prefers to be socialising in small group of 3-9, You tend to only get few swainie's inside one city, or freindship group.
Joe: "Ah, he's a right Swainie Sitting there on his own smoking Grotbangers!"
by Dangerfield. September 28, 2009
 
2.
pure win.
Person 1: Whao.

Person 2: Swainie!
by big old paul September 28, 2009