jizztache Share definition Flag Carefully ejaculating along one's lover's upper lip, to make it resemble a mustache, similar to the "got milk?" ads. A common pickup line:I think you'd look lovely with a jizztache. jizztache by fagomir March 11, 2013 0 0 Get merch Get the jizztache mug. Buy Now — $32.95 See more merch