Blowing a Buffer: Losing one's train of thought. Occurs when the person you are speaking with won't let you get a word in edgewise or has just said something so astonishing that your train gets derailed. "Damn, I just blew my buffer!"
Chair Trap: When you trap yourself in your office chair by accidentally hitting the pneumatic seat adjustment causing it to drop suddenly, therefore locking your legs under your chair.
404: Someone who's clueless. From the World Wide Web message "404, URL Not Found," meaning that the document you've tried to access can't be located. "Don't bother asking him...he's 404."
Mouse Potato: The online, wired generation's answer to the couch potato.
Stress Puppy: A person who seems to thrive on being stressed out and whiny

Переводить не буду, чтобы не позориться (я сам не все понял)