1. People who laugh at their own jokes: the minute they say something they think is funny, they instantly start laughing 2. People who are always hungry: they are always like "I'm staaaarving!" Even though they snack on shitty food all day long 3. People who brag about running marathons: they are always chubby and un-athletic. They just shuffle their way through the thing hoping to just finish. That's apparently an accomplishment to other dorks who never played a sport in their life.