In response to people's lame "nerd backwards" definitions - If someone got called a dren, real nerds would take that as being called a shit. And real nerds are frelling awesome.
a rare species that is half man half turtlue, the creature can live up to 150 years old but its very unlikley as it feeds only on custard doughnuts and rotting flesh. this particular word is now being used as a insult.
nerd backwards. Most peope don't know what it means, so if you call them a "dren" they will not be offended. So you can make an inside joke with your friends if you dislike the nerd.