Give a team "Vishwa Vinayak" (a very old devotional film). It sounds easy ("World" + "Ganesh"), but getting the combination right under pressure is surprisingly hard

: A play on the phrase "Chalti Ka Naam Gaadi," but about a beard. Dhoti Lota Aur Chowpatty

If you’re stuck, use this formula: Example: Angry Birds, Fast & Furious, 10 Things I Hate About You

Easy, colorful, and full of visual gags.