-when people just stand and block the walkways in airports (dunno the name for it, the thing that makes you walk faster)
-when you go on a trip and lose all your socks
-when people play shitty fucking music really loud at parties
-when people try to negotiate for purchasing part of a food item. e.g. "well i'm only hungry enough for half a donut, can i just buy half of one for half price?"