A disruption of the normal thought process, normally by an external distraction. This occurs most often at times where mental focus is a necessity. Cognitus interruptus sometimes leads to procrastination, leading to further cognitus interruptus and creating a cycle. Not to be confused with coitus interruptus, which is something entirely different.

When your ripped six pack is covered by a thick layer of fat.

The child of a Baby Boomer.

A reply posted when someone puts a status on facebook, myspace, etc. Sarcastically shows that you care, and are going to write the status down in a notebook, when you really dont care at all about the status.

The sensation you get that you will abruptly fall asleep at any moment during the day due to trying to watch as much of the Olympics as you can the night prior, causing you to stay up way too late. A seasonal disorder, occuring in winter or summer only, and is of brief duration (around 2 weeks), and usually occurs in even numbered years. VCR, TiVO or other recording device is the only known remedy.

To exude tremendous effort, to try extremely hard.

It's the perfect response when you haven't been listening at all.

It works whether the other person has been saying something funny, or sad, or infuriating, or boring....