Chunka Dunkin' Share definition Flag Term used to describe the act of Skinny dipping for a really fat person. (Taylor) "Omg is Taylor skinny dipping?""No she is too fat to be skinny dipping, she is chunka dunkin' "! Chunka Dunkin' by Jewfro1111 October 4, 2009 0 0 Get merch Get the Chunka Dunkin' mug. Buy Now — $32.95 See more merch