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1.
In Australia, one of the most insulting words you can use. It is an acceptable replacement for most profane or derogatory terms.

Derived from education minister Christopher Pyne's name.
Pyne off, you pyneing pynehole.

The Australian government are a pyney useless bunch of pyneing pynes.
by germe May 16, 2014
 
2.
The act of making love to a duck on top of an Apple Pie
Luke got grounded when his mom caught him pynesing the wrong way
by Pynes Jones May 19, 2009