4crap Share definition Flag A mocking nickname given to the website 4chan by those who generally hate it. Person 1: lets get us some moar bread pr0n lulz! Person 2: You sir are proof that 4crap is the cancer of the Internet. 4crap by Yams August 23, 2007 0 0 Get merch Get the 4crap mug. Buy Now — $32.95 See more merch