buscar cualquier palabra, como spook:
 
1.
Most commonly used in Australia. Can be used as an insult to anybody, but generally laid off at your friends or acquaintances in a jokingly manner.

Can also have the potential for appraisals, such as another Australian colloquialism fully sick('fully sick, mate' after can be used as well).
"Your such a sick rat."
OR
"Your such a sick rheeet" (emphasize on the rat to show even more disgust)
Por Jonathan.M 22 de octubre de 2007
 
2.
A scrawny little fuck that has balls bigger than a bull moose. This person can talk ridiculous amounts of shit and do ridiculous things and 90% of the time get away with it.
Nicky is a SICKRAT.
What a fuckin SICKRAT
Por ballsy guy 06 de mayo de 2007