Jab: 1. Profession 2.Place of work.
Jack: Read seriously especially for examination.
Jaga-jaga: Haphazard
Jaki: 1. Very hard worker 2. Worker being taken advantage of.
Jaku-jaku: Carelessly put together.
Jagbajantis: Nonsense
Jaguda: Crook.
Jam: 1. Collision, especially cars. 2. Meet up see also Block.
Jam bodi: Rough bodily contact.
Jamb: Joint Admission and Matriculation Board. Body in charge of University entrance in Nigeria who organise a yearly entrance examination.
Jambite: Freshman in Nigerian university.
Jambito: See Jambite.
Jambress: Female freshman in Nigerian universities.
Jandon: London.
Jankara: 1. Market in Lagos 2. Fake products.
Janglova: 1.Merry-go-round. 2. Playground swing
Jara: Extra helping. Also Fi si.
Jare: See Ojare.
Jazz: Nonsense. e.g Ol' boy why you dey talk Jazz laik dat?
Jedi Jedi: Piles.
Jeje: 1.Gentle. 2. Polite. 3. Up standing individual.
Jejeli: Adverb of Jeje meaning Gently.
Jibiti: Fraudster. See 419.
Jiga: Parasitic worm infestation on legs or foot such as Guinea worm. See Baba Jiga.
Jim-jim: Over zealous.
Jin jin jin: Party.
Jinta: Crook.
JJC: Johnny juss come. Slang to denote a Nigerian who has just returned from abroad especially after a long absence.
Jo: Please; Yoruba word.
Jogba: 1.Trickery 2. Gambling. Urhobo word.
Join: Board a bus.
Joke na joke: This is no longer funny! Also - If na joke stop am!
Jollof: Paella like dish of rice made with tomatoes, peppers and spices. A Nigerian party dish.
Joint: 1. Watering hole where food and drinks are sold.
Judge: Say ones side of the story in a dispute.
Jugunu: Rough neck.
Juju: Black magic.
Jump up pee: See Koko ise trousa
June 12: 1. Date election result was annulled in Nigeria. 2. Fraud 3. Election malpractice.
Jungle city: Ajejunle. A rough part of Lagos.
Juss: Just.
Juss dey patch am: Just surviving