noun

• (Alberta, British Columbia, slang) Underwear, especially men's briefs.
  "She stowed the ginch she had just received as a gift in the dresser out of harm's way."

noun

• (British, Ireland, Australia, New Zealand, slang, vulgar) vagina, pussy.
  "She probably up there getting her ginch plowed right this minute by some drummer out of Richmond."
• (by extension) A woman, viewed as a potential or actual sexual partner.
  "The unquenchable Hagen of the Screw Shack prowls the Stampede for ginch ahoof and comes back to the bus with nice little girl with lips as raunchy as a swig of grape soda, tender in age but ne'mind, ready to go, and she is on the bus, christened Anonymous, down to her bra and panties, which she prefers."
• (by extension) An effeminate man.
  "But, you know, she's struggling, she's got a kid. Just don't be a ginch, all right?" So, of course, you don't want anyone to think you're a ginch, plus maybe you're not particularly thrilled about the idea of using a hooker either."