Derived from the "Spidey sense" of the comic book superhero Spiderman, it is generally used to mean a vague but strong sense of something being wrong, dangerous, suspicious, a security situation.
He looked like a student, but something about his dirty shoes and the way he tried to open a locked door totally set off my Spidey sense, so I called campus security.
When tow truck drivers engage in abusive, predatory, tricky practices to snatch vehicles, that would be a "tow jack" or "tow jacking."
Watch out for that guy in the tow truck sitting at the end of the lot. If you leave the restaurant and walk across the street to mail a letter, he will tow jack you out of the parking lot the minute your foot steps outside the building.
Flipping property in a neighborhood not merely for the purpose of profit, but with a priority of improving the neighborhood.
One who does this would be a "benevolent flipper."
Some slumlord offered John $20k for his house, but he sold it to the city for $17k so it would be a rainwater garden instead of yet another North Minneapolis crack house. It's called "benevolent flipping."
Source: This phrase was used by a guy interviewed on NPR, All Things Considered, in early August, 2008, to describe what he does.
V. To be used (for example, by politicians) to create a photographic moment for propaganda purposes.
John: Man, the Mayor sure does like the little old ladies at the nursing home. Look at the smile on his face.
Jack: Are you kidding? He's just photo-opping them.
Editors, please note. A Google search will bring up this term in common usage.
Places that are like the blogosphere, but not as creditable, like anonymous commentary threads linked to the blogosphere.
John: I was searching on Google, and it says our new employee is a sex offender.
Mandy: Let me see. Good grief, this is a chat thread where he argued with some anonymous moron. This info isn't even from the blogosphre. This is the sub-blogosphere.
Note: This word is in usage and can be found by Googling.