shin-dick
Using a woman's shin as an aiming device by resting the penis on her shin right before ejaculating for full facial targeting practice.
The only way he was able to hit her perfectly in the eye was by using the classic shin-dick position.
dick shin
The base of the penis, on the top side.
Dude, I heard Tracy kicked you in the balls? Nah man, she aimed high and got me in the dick shin.