someone who doesnt stop wacking off. see also rory.
jesus man, stop wacking off all the time! your such a willy wacker.
by toldjaso May 07, 2007
1 more definition
someone who likes to wank alot, more then the average person (dave faid)
For gods sake, do u have to be such a willy wacker!
by natty April 29, 2004