Buy- Low Share definition Flag A girl that is currently young, but as she gets older, will become very attractive. Like buying stocks, a Buy- Low is a potential loss, but with luck, she will be attractive. She's a Buy- Low for sure. Buy- Low by DFresh645 August 6, 2011 0 0 Get merch Get the Buy- Low mug. Buy Now — $32.95 See more merch