Pubestache Share definition Flag When someone passes out, and you trim your pubes, and glue them onto that person's face giving them a pubestache Dude we were at this party and we gave Ronnie a pubestache Pubestache by LMFMC FUCKER June 10, 2009 0 0 Get merch Get the Pubestache mug. Buy Now — $32.95 See more merch