yoitstache Share definition Flag when a bitch pulls the cock out early during the ejaculation process and gets yoit on her lip which resembles a mustache. person 1:did you see the new "got yoit?" billboard? person 2: yea that bitch had a nice yoitstache. yoitstache by blumpkinboychaps April 4, 2009 0 0 Get merch Get the yoitstache mug. Buy Now — $32.95 See more merch