croily Share definition Flag something that is disgusting or gross. Croily can refer to anything sticky, wet, disgusting, gross, or physically disturbing or unattractive (in the broad sense of the word). For example, a sticky ooze could be considered "croily." croily by ¥epez January 30, 2008 0 0 Get merch Get the croily mug. Buy Now — $32.95 See more merch