holyfucknuts Share definition Flag the term used when someone says or does something that is unfuckinbelieveable... Holyfucknuts, her boobages were so big i could of dove in them an started swimming the breaststroke. holyfucknuts by catchoftheday October 10, 2006 0 0 Get merch Get the holyfucknuts mug. Buy Now — $32.95 See more merch