derk hole Share definition Flag slang for "dirk wad" or "ass hole". Frequently used in the praries of Canada and the United States. Very mean and should not be used unnecessarily Bob: "OMG Mandy you slept with my brother!?!? You are SUCH a derk hole!!!"Mandy: "I know, I'm sorry. I'll never contact you again." derk hole by abcREALZ April 8, 2010 Get the derk hole mug.