It's like a box of chocolates, but a bad box of chocolates” Check out more People Try Durian (The Smelliest. Scientists examine what chemicals make the Asian fruit smell like. shores for the first time. Are you tempted to try the pungent, custardy fruit? The smell is so strange: onions and meat, if I'm being charitable. The fruit's yellowish flesh is sweet and custard-like, but it comes with an overpowering stench of garbage. Scientists studying the unique fruit have now analyzed a set of 20 stinky and fruity chemical ingredients Among the strongest were compounds that smelled of fruit, rotten onion . Strange & Offbeat. It's like a box of chocolates, but a bad box of chocolates” Check out more People Try Durian (The Smelliest. These tropical fruits stink so bad when ripe that people react to them as if Since I live on a farm, I am used to smelling all kinds of funky things.