job blocker 

a tattoo visible while wearing business attire, especially a tattoo on the neck

"It’s no wonder that many tattooists themselves refer to them as 'job blockers'. How can you take seriously anyone who has a fire-breathing winged serpent / the names of their three kids in sanskrit / the logo of a football team encircling their neck?" - WalesOnline Jan 13, 2009

job blocker by slumdog January 27, 2009

Job Blocked 

When a Co-worker or boss prevents you from applying Or Blocks you from another job or position, due to being an ass OR not wanting to loose a valued asset. Similar to Cock Blocked but in a work related situation.

Jim in accounting job blocked me for that promotion.

Job Blocked by J.Marinaro May 8, 2013