key dig Share definition Flag a word discribing when a girl pleasures another girl's vagina with her hands, a.k.a. fingers her. Key Digger- a person who key digs "You didn't know Cindy was gay? I saw her key diggin' in Tina's pants." key dig by Day January 12, 2006 0 0 Get merch Get the key dig mug. Buy Now — $32.95 See more merch