The act of urinating in your partners mouth and then kissing. In the Gay BDSM community Gay Pigs and or Pissboys who engage and enjoy sexually the act of Watersports, to urinate in each other mouths, to drink piss and then to kiss. A Pisskiss.
I term of endearment is gay Social Networking.
You are the greatest Pissmate I love it when we Pisskiss.