1. When someone says they know every rule of the game the teacher went over... THEN FORGETS THEM ALL!!! its just like... you just said u knew the rules of the game you were playing and you some how forgot them?!?
2. When someone complains that the room is too cold and they turned the air conditioner to 15ºC this is idiocy is indescribable with words but from 1 - 10 (10 being ultimate moron) 9001/10 is the best way to describe it
3. When someone claims they're good with cats... then does something stupid like stomping on their tale -_- wha... what... WHY?!?!?!?!?
4. When someone takes like 1 hour to realise what you were telling them... and then forgets it in 10 seconds... how did u do that? it took you 10 seconds to forget something that took me ages to explain to you
and also include the ones James posted as they would be on this list