Tldr: TPP= trans Pacific partnership
It's a trade deal with countries that border the Pacific ocean, like Japan. It removes tariffs for these countries. The biggest result of these deals in the past (see NAFTA) is the shipping of jobs overseas. That's why most hate this deal because its bad for America. The OP is a bit over reacting but its good that people see and learn about this stuff.
Sorry, even tldr was kinda long :P