A joystick is another word for a dick/penis used especially when the girl you have having sex with says "man, you have a good joystick"
In other words the stick makes joy
a modification of the shocker with the thumb used as a clitoral stimulator. Named so because it resembles how you hold your hand when playing video games, and because of the pleasure a woman will get from it.
3.Shannon exclaimed: "I LOVE your joystick because of the way it fits me!"
By Salaidh
Joystick
When a girl gives you a blow job while you are playing Xbox. A joystick is a stick on your controller and a nickname for your dick, so a joystick is getting your dick sucked while playing Xbox.