sink cleaning

A type of kiss in which one partner uses his or her tongue is such a way that, to the reciever, it feels as if the kisser is "cleaning a sink," (the reciever's mouth), "with their tongue" This is usually an unpleasant experience.

Oh my God, David's kiss felt like a sink cleaning!

a clean sink

The right sink in a two basin sink in your kitchen.

Sharon: "Jason, where do you not put the knife you used to make a peanut butter sandwich?"

Jason: "Where did I put it?"

Sharon: "YOU PUT IT IN THE CLEAN SINK! The right sink is the clean sink."

Jason: "Sorry I didnt know there was a clean sink."

Sharon: "Well now you know."