helicopter piss
When a male starts to urinate and proceeds to do several 360 circles.
I got suspended from school because i got caught doing the helicopter piss
piss helicopter
The act of spining around while urinating. Generally done as an act of vandalism in public restrooms. It usually requires some bragging afterward.
Stop-N-Go didn't let me use their telephone to call a tow truck, so I did a piss helicopter in their shitter. That'll teach them.