- Perhaps originally a companion in winding thread (see skein) or a companion in arms, from skain ("a sword") (see skean). See mate. (Wiktionary)
“There’s a bit of rough sex in this one, but just about the nastiest thing you’ll hear anyone say is, “Hell’s bells! or “You, you – bat-fowling, lily-livered skainsmate!””
Looking for tweets for skainsmate.