bungie
Harold Kestenholz, heres your answer
1- wanker
noun chronic masturbator; verb to wank
(KevSpeak) `I’ve given up wanking!’
Source http://kevin.bloody.wilson.com.au/diction.html
2- Wanker a male that is really stupid but they think they are the greatest
Source http://members.tripod.com/~thisthat/slang.html
3- “I would think that the people on the street and 90 per cent of Australia would agree with me, it’s only the knockers and the wankers who will be saying there’s something wrong with it.” Newcombe said the players didn’t mind criticism as long as it was justified.
Source http://www.macnet.mq.edu.au/std185715045490032+4/-/macshowrecord/2/1
4- HARRY MELBOURNE, Nov 8 AAP – A lawyer who effectively labelled a Victorian supreme court judge a “wanker” was not guilty of contempt of court, another senior judge ruled today.
.
.
.
.
“It may be offensive, but it is not contempt of court for a person to describe a judge as a wanker.
Source http://www.macnet.mq.edu.au/std185715045490032+5/-/macshowrecord/2/2
And in this case, a person that insults somebody to hide their own inadequacies.
Get the idea 
ooooooops, sorry, this posting sounds like it would have come from Sylvan.
