jong UK /dʒɒŋ/US /dʒɔŋ/noun 1/jɒŋ/ noun 1forms 1 noun1 •A Tibetan building which makes up a prefecture; typically a monastery or fortress.When they had gone I went for a solitary ride, rounding the Jong and striking out into the country through a subsidiary village. — 1933 jong /jɒŋ/ noun1 •(South-Africa, slang) A friendly term of address, especially for a young man.I take out my pocket knife and start to smooth it. What do you want with that stick says Jan. Nothing. Well throw it away. No jong I am going to keep it. — 1975 formsjongs