| Idiom | Meaning | Example | 
| jerk me around | 
not be honest with me, jack me around
 | 
Don't jerk me around. I want to know if you've seen my child.
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| jerk off [B] | 
masturbate, pull your wire  [B]
 | 
"If jerking off is a sin, I know a lot of sinners," said the old man.
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| jewels | 
(See the family jewels)
 | 
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| jig is up | 
(See the jig's up)
 | 
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| jim dandy | 
(See a jim dandy)
 | 
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| jimminy crickets | 
geez, gosh, holy cow
 | 
Jimminy crickets, it was hot! It was 39 degrees Celsius!
 | 
| jive ass [B] | 
one who tries to look cool, show-off, show-off
 | 
What a jive ass! Give him a mic, and he thinks he's Elvis.
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| jock | 
athlete, student who plays on school teams
 | 
Doug is a jock - he plays golf and baseball.
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| joe-job | 
a routine task, a chore that nobody wants to do, gofer
 | 
If you're the junior employee, you'll have to do the joe-jobs.
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| Joe Who | 
Joe Clark - a Canadian politician
 | 
When was Joe Who the Prime Minister of Canada? 1979?
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