<n> A person who believes himself to be somewhat tough or 'bad'. But however in actuality is a 'wimp' or 'weakling'. This phrase is commonly
associated with non-pubescent youths' who are convinced they are
intimidating despite their short stature and under
developed muscles.
A group of Ruderies is referred to by the word 'bunch'. Similar to the way a group of animals is referred to as a pack or pride.
<person 1 see's a rudery>
Person 1: Look out theres a rudery
on the prowl.
<
Person 2 notices more>
Person 2: Jeez' there's a whole bunch of ruderies!
Rudery: <in
high pitched voice> OI Manz your beeeaaaaar gay do'. I iz gonna bang you up!