A lightweight, a coward, a shitbag, a big girl's blouse.
if your mate is too scared to do something dangerous, like doing that big surfboard jump, or stay out late cos he has to be home for his bird girlfriend or talk to a girl in a bar, you could call him a "woose".
Some people believe that Nidhogg is some kind of mythical creature from Norse mythology. Infact Nidhogg is a mythical create from Neocron mythology, the hunter of the Forum, the leader of the pack, who's mighty hammer will crush all that oppose the rules and those that spam!
Spam - Closed - Nidhogg
Keep it in game - Nidhogg
OMG Watch out for Nidhoggs banhammer!