Bar Maxim: How To Turn a Watermelon Into a Keg We’d always just assumed that “tapping a watermelon” was a euphemism. Maxim Staff 2 Jun 6, 2013 SHARE Share on Facebook Facebook Share on Twitter Twitter Share on Pinterest Pinterest We’d always just assumed that “tapping a watermelon” was a euphemism. Mentioned in this article: bar maxim mant video