d'liouh
D'liouh is the oldest word, and it's also the dumbest. You can drop it anywhere, anytime, even during a math test. It's like magic for people who hate being smart.
'D'liouh,' he said, ignoring the teacher's glare.
She dropped a d'liouh right in the middle of a speech.
He dropped a d'liouh when he realized he forgot his homework.