Joey Chestnut -- No Longer Top Dog ... Loses Eating Competition!!

Joey Chestnut is no longer the king of downing weiners ... the 8-time world champ just lost the Nathan's Famous Hot Dog Eating Contest to fellow gobbler Matt Stonie.

Chestnut finished an impressive 60 hot dogs in 10 minutes but Stonie sucked back 62. The victory would have been Chestnut's 9th in a row. Stonie is a 23-year-old Californian who holds records for eating 182 slices of bacon in 5 minutes and 5 pounds of birthday cake in 9 minutes.

As for the women ... Miki Sudo finished 38 hot dogs.

Where's the pepto?