Having untreated attention deficit disorder growing up was a hectic time. At least one point each year, a teacher, counselor, or even Taekwondo instructor would point it out to me. But I was 9 years old, and my mom didn't accept their theories. So 11 years later, I was diagnosed and life became slightly more manageable.
For those who have ADHD or even those who know someone with it, there are a lot of quirks and behaviors that are easy to relate to. Are you or someone you know constantly zoning out throughout conversation, taking in maybe fifty percent of what is being said? Could be ADHD. It's annoying for both sides but slightly amusing at points.
The advent of the internet has made identifying symptoms of ADHD and discussing them quite a lot more open and convenient. With so many people and communities relating to the disorder, it's obvious that memes will be made. Here's a collection of ADHD memes for you to peruse at your leisure.