"Nightly Doodle" or "A what?!"
"Gimme something to draw!"
"Okay, draw a pangolin?"
"A what?!"
"A pangolin!"
"That sounds like a stringed instrument made out of the mummified remains of a penguin... they are highly illegal but you can find them in back alley flea markets in Japan, but good luck trying to import it to the states!"
"That's not what it is..."
"Too late, that's what I'm going to draw!"