close to a wet willy, but instead of inserting your finger in your mouth and lubricating it, you simply put it in the poohshooter, completing a 180 degree turn with your finger, simply remove finger and place in your target's hearing organ (ear).
Paul: hey bernard!
Bernard: hey paul
Paul: whatchu doing?
Bernard: putting my finger in my butt, you want a sloppy bob?
Paul: sure! what's that?
Bernard: come here and i'll show you!*
*Bernard sticks finger covered with poo in Paul's ear, Paul screams ewww!...Can i have another?