a total
wuss; someone who whinges a lot in order to avoid a responsibility
OR
a person with
the skill/ ability but lacks the balls/spine to complete a given task.
origin: from the character Peter
Petrelli, from the tv series 'Heroes', who had the greatest power but could do nothing with it because he was too scared.
"go get some firewood"
"i can't there's animals out there"
"we're in a reserve
park, the most dangerous thing out there are
mosquitoes"
"
MOSQUITOES! i'm leaving!"
"I can't believe you're so scared of mosquitoes. You're such a petrelli"
