[looks terrified] Leslie Winkle!
Yeah, Leslie Winkle! The answer to the question, "Who made Sheldon Cooper cry like a little girl?".
Yes, well, I'm polymerized tree sap and you're an inorganic adhesive, so whatever verbal projectile you launch in my direction is reflected off of me, returns on its original trajectory and adheres to you.
[sarcastically] Ooooh... ouch.