bj mouth Share definition Flag when a girls mouth feels discomfort the days following giving a blowjob to a massive dick, or just giving a lot of head in general Wow, I gave 4 guys head yesterday! Now I have the worst bj mouth in the world! Ugh. bj mouth by yourmom987654321234 January 4, 2009 0 0 Get merch Get the bj mouth mug. Buy Now — $32.95 See more merch