suckfuck Share definition Flag 1.A form of sex where all you do is suck. 2. A catchy insult. 3. Also common misspelling of sickfuck 1.Anna gives a good suckfuck! 2.Dave is such a suckfuck!!! suckfuck by JesseJJ January 6, 2009 0 0 Get merch Get the suckfuck mug. Buy Now — $32.95 See more merch