i don't know the logest make out but the longest kiss was from an actress and an actor, it was a little less than 40 minuets
worlds longest toenailes
Tanganyika is the world's longest lake and the worlds longest freshwater lake.
The worlds longest road bridge is in China
The longest human kiss was 417 hours.
my badonka is the worlds longest mountain chain.
the worlds longest snake is 100 feet long
the amazon river is the worlds longest river :)
the worlds longest time for a dog to stand on its hind legs is 1 day. hope that helps.
the worlds longest finger is 9 3/16 inches long
The Worlds Longest limo is 100 feet long ( 30 meters )