Slang to English letter J

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Jack In
 To finish, to resign, to give up (Everybody)
'He's jacked in his job'
Jack Off
 To masturbate (male) (Everybody)
Jack the Lad
 One who is overly masculine (Everybody)
'He came riding down that hill, like some Jack the Lad'
Jack Up
 To inject drugs (Everybody)
Jacksie
 The backside (London)
'You can stick it up your Jacksie mate'
Jacobs
 Testicles (London)
'You are looking for a kick in the Jacobs'
Jaffa
 An infertile man (London)
Jam Sandwich
 Police car (London)
'This jam sandwich pulled up and out came two rozzers.'
Jammies
 Pyjamas (Everybody)
Jammy
 Lucky, fortunate (Everybody)
'You won the lottery? You Jammy bugger!'
Jam-Packed
 Full to capacity (Everybody)
'Couldn't get in the pub down the road, it was jam-packed.'
Jap's Eye
 The hole at the end of the knob. (Everybody)
Jasper
 Wasp (Everybody)
'Watch out there's a jasper right by your head'
Jaspered
 In a mess, screwed up. (Street slang)
'Completely and utterly jaspered.'
Jawjaw
 Talk, conversation (Everybody)
Jerry-Built
 Unsubstantially built (Everybody)
'That shed in the back of our garden is jerry-built.'
Jessy
 A weak or effeminate person, especially male (Scotland)
Jesus Christ
 An exclamation, usually of surprise or disgust )
Jibber-Jabber
 Meaningless, empty speech (Everybody)
Jiffy
 A very small space of time (Everybody)
'I'll be with you in a jiffy!'
Jigger
 Alleyway (Yorkshire)
Jiggery-Pokery
 Something underhand, or not done according to the rules (Everybody)
'The prime minister has come unstuck with his jiggery-pokery.'
Jill
 To masturbate (female) (Don't know)
Jimjams
 Pyjamas (Everybody)
'I've been in me jimjams all day.'
Jipper
 Gravy, sauce (Army)
'"Get some gipper on it!"'
Jizz
 Sperm (Everybody)
Jobby
 A piece of excrement (Scotland)
'There's a wee Jobby on the pavement'
Job's a Good'Un
 Finished, completed (Everybody)
'Two more parcels to deliver, and job's a good'un.'
Jobsworth
 Petty or overly bureaucratic. (Everybody)
'That parking inspector was a right jobsworth.'
Jock
 Scottish person (Don't know)
Jockland
 Scotland (Everybody)
Joey
 Generic insult (Everybody)
'You're a right Joey'
Jog On
 Go away (Everybody)
'Mate, I'm not listening to you any more, so jog on will ya?'
Joggers
 Jogging bottoms (Everybody)
John Thomas
 Penis (Everybody)
Johnny
 Condom (School)
Jollies
 Holiday (Don't know)
'I'm off on my Jollies'
Jolly
 An unnecessary trip, often to a desirable destination. (Everybody)
'My MP has just gone off on a jolly to Bermuda, for a "fact-finding" expedition.'
Josh
 To make fun of (Everybody)
'Don't mind me, I'm only joshing'
Jubblies
 Breasts (London)
'Wow look at her jubblies!'
Jugs
 Breasts (Everybody)
'Look at the Jugs on her!'
Junkie
 A person who is addicted to drugs (Everybody)

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