When a Man with a LARGE penis firmly grasp the bottom of his shaft and begins to rotate his penis in a helicopter type fashion while saying chopper command coming in for landing...
Usually used to incite a Blow job but has no designated landing location.
A improperly operated chopper command Can result in a mushroom bruise or lose of vision....
Men with Tiny penises CAN NOT perform a successful chopper command and will crash and burn upon attempt.
(if your penis fits in only one hand DO NOT attempt a chopper command)
Ter Chopper Command coming in for a landing.
(Ter:) All Clear For landing proceed to entry port one for decreasing.O-: