Meaning: The disappointment of discovering that you've used the wrong key for the right lock. Basically, KeyLPD is Key Lock Pairing Dissonance.
Pronunciation: Kee-El-Pee-Dee.
Usage: After the drinking binge, we headed to the car. I tried to open the door, several times. Unfortunately we couldn't, as KeyLPD happened.
Root: KeyLPD = Key + KLPD (a campus slang for frustration).
