Quick 15 Share definition Flag When a man spreads his butt cheeks apart and allows his sex partner (either male or female) to stare at his butthole for up to 15 seconds. "Come on, babe! Just a quick 15!?" Quick 15 by BixClix July 13, 2015 0 0 Get merch Get the Quick 15 mug. Buy Now — $32.95 See more merch