A pubic weave or extensions meant to decorate the otherwise less than appealing pubic hair. Sometimes referred to as a "pubic mane" as cited as a point of pride by Ron Burgundy in the movie Anchorman. see also merkin pubefro
Before a night of sex, I always make sure my pweave is presentable.
Pat would always tease the pweave before a big tennis match to intimidate opponents.
Girl #1: I have this unruly bush and can't do a thing with it!"
Girl #2: "Have you considered pubic extensions, y'know a pweave?"