Jumbly Share definition Flag The subtle yet very noticeable action of very large breasts (natural) jiggling against each other when a voluptious woman walks. (1999) Look at Nikki and her Jumbly Tits. I love Jumbly Tits. (sing) Jumbly by Btnfan July 20, 2005 0 0 Get merch Get the Jumbly mug. Buy Now — $32.95 See more merch