William Hungin' It

To sing in a tone-deaf manner to any song that comes on, preferably by Ricky Martin.

"Man, I was just listening to the radio and then She Bangs comes on and Ryan starts William Hungin' It"

shot lurk

The act of creeping in the background of a picture being taken.

Person 1: "When did John get in this picture?"
Person 2: "Not sure, he must have been shot lurking.