Pneumonoultramicroscopicsilicovolcanoconiosis

a name that has been invented for a lung disease caused by breathing in very small pieces of ash or dust

Jon: Yo, my uncle has pneumonoultramicroscopicsilicovolcanoconiosis.
Travis: Oh, brother! Is he okay?
Jon: No.
Travis: Oh. Okay...

Lopado­temacho­selacho­galeo­kranio­leipsano­drim­hypo­trimmato­silphio­karabo­melito­katakechy­meno­kichl­epi­kossypho­phatto­perister­alektryon­opte­kephallio­kigklo­peleio­lagoio­siraio­baphe­tragano­pterygon

a name of a dish compounded of all kinds of dainties, fish, flesh, fowl, and sauces

Employee: Okay, what would like to order?
Jon: Uhm, I'd like to have some lopado­temacho­selacho­galeo­kranio­leipsano­drim­hypo­trimmato­silphio­karabo­melito­katakechy­meno­kichl­epi­kossypho­phatto­perister­alektryon­opte­kephallio­kigklo­peleio­lagoio­siraio­baphe­tragano­pterygon.
Employee: Pardon?
Jon: I said, I want lopado­temacho­selacho­galeo­kranio­leipsano­drim­hypo­trimmato­silphio­karabo­melito­katakechy­meno­kichl­epi­kossypho­phatto­perister­alektryon­opte­kephallio­kigklo­peleio­lagoio­siraio­baphe­tragano­pterygon.