ass-crack-tastic Share definition Flag A fantastic look at any plump/fat chick's ass crack over the top of her low rise jeans. Baby, your back got that ass-crack-tastic look down tight! ass-crack-tastic by pfc. Snowball March 1, 2009 0 0 Get merch Get the ass-crack-tastic mug. Buy Now — $32.95 See more merch