bunkface Share definition Flag 1.(n) An ugly woman/girl who who enjoys sexual intercourse too much in association with her appearance. 2.(n) An ugly slut. Paris Hilton may be the biggest bunkface I have heard of and seen. bunkface by Austin E December 22, 2005 0 0 Get merch Get the bunkface mug. Buy Now — $32.95 See more merch