Word used as a wild card: if you don't know someone's name (as in what's-your-face) , if you don't know what the 'thing' is called, but also doing 'some' sexual act.
- Hey Thingywingy! How are you?
- I'm looking for that small metal thingywingy.
- Have you been doing the thingywingy with her?
When a sexual or mind altering challenge taken is beyond a breeze where pleasuring rewards are already given before commencement.
I found that lose moose sheila at the club and easily scored; manipulated her the entire night like it was all shiggiwiggi. And then driving drunk home was all shiggywiggy.