30 Best Smells In the World Cookies Fresh Out the Oven. NO EXPLANATION NECESSARY. Melting Chocolate. Because… chocolate. 3. " Boy" Smell. Coffee Brewing In the Morning. *In Oprah's voice* HELLOOOO! Grass Right After It's Mowed. Makes you feel like it's summah, summah, summah, tiiime. Bacon. Vanilla. New Car Smell.