Mermie stands for Male equivalent of rat made in Europe. This is Online slang that is
popular on apps like twitter and tumblr in recent years. It'
s often used to describe whorish guys in Western Europe, some who pretend to be women online for clicks and ego fueling privileges. If u know where to look, they're often on twitter with fan pages of some of the greatest acts of our
day. Make sure to call a Mermie every
time you see one, as it is a compliment to them.