What is A Mocker?
1.
combination of "a mod" and "a rocker" coined by a Beatle during the film "a hard day's night", when asked by a reporter to what he is.
"i'm a mocker"
2.
or 'Mocka'
Abbreviation of, 'mocking bird', which in Australian rhyming slang means, 'turd'.
" Where's the dunny? I have to hang a mocka."
See 
Random Words:
1. 
1) people who follow the herd;
2) people who are stupid;
3) people who know there are already 3001 definitions for a word on this webs..