walking around the house with nothing but your shirt on..like the cartoon character porky pig
I thought I was alone when I was porky pigging around the house, but my roomate walked in and saw me, I was kinda offended he threw up.
to drive around naked from the waist down.
Let's go get drunk and go porky pigging in the Wal Mart parking lot.
Wearing a shirt but no pants.
I was Porky Pigging around the apartment because it was hot and I chafe easily. My roommate walked in - I still can't shake the look in his eyes.
The act of wearing a top (shirt), and no bottoms. To be nude from the waist down.
If you scare someone by being completely naked, you can still be porky pigging, and get the "job" done.