#GumHum Share definition Flag Receiving oral sex from a toothless individual while they are humming. Also known as getting a Maggie. Like was great with a hummer...but #gumhum was a game changer! #GumHum by GumHumGod March 13, 2018 0 0 Get merch Get the #GumHum mug. Buy Now — $32.95 See more merch
