One who makes a representation of a gun with their thumb and index finger while simultaneously winking their eye and pretending to fire the imaginary “hand gun” with a sound effect of a sucking your teeth.
David is an annoying pistol winker. Whenever someone has a good idea that he likes, he pistol winks them and makes that annoying sound.
Carla worked her cardio routine on the gym stair master for over an hour. With each rising step she could feel the sweat dripping down giving her one really wet winker.