look up any word, like pussy:
 
1.
A slang term that has two different definitions:

1. An erection

2. A random word to be blurted out for no apparent reason.

Usually one will exclaim this word when they begin pitching a tent.
Man 1: *Starts to become erect*

Man 1: SHWINKY!
by Shwinky August 10, 2011
 
2.
adj. in style, something that is off the chain or cool
That top she's wearing is totally shwinkies.
by Kate McQuilken May 21, 2008