When you don’t know if your viagra is expired, so you pop a few and proceed to helicopter (spin your cock around in a circular motion much like helicopter blades) your cock to make sure it still does it’s job.
“Bro, I brought this girl home but I was all out of viagra. Luckily there was a couple left in a really old container so I had to take one for a test flight.”
by Snikt November 14, 2022