1. an individual who can only be taken in small doses or relatively short amounts of time
2. an individual who is likely to be any of the following and therefore does not find themselves spending excessive amounts of time with friends, family or co-workers: annoying, boring, irritating, aggravating, infuriating, etc.
3. may also be referred to as a Children's Tylenol™
1. I can't spend more than 5 minutes with that guy! He's a total low doser.
2. She is definitely a low doser, she's so negative, I can't stand being around her!