A relationship between a man and his twitter account that borders on unhealthy, whereby said man tweets constantly but seems unable to spare his girlfriend one text, despite being able to both tweet and text on his mobile phone.
Named after the infamous dumping of John Mayer by Jennifer Aniston because he tweeted too much but did not seem to be able to drop her a text.
My boyfriend just got a twitter account last weekend and now he's suffering from the John-Jen Syndrome! FML
Man did you hear about how Alex got dumped because he was doing a John-Jen Syndrome on his girl?
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.