As a girl boys shirts fit me like nothing else, but the girls ones just have me keep pulling at the bottom and the sleeves. It's so hard to find a shirt with sleeves that either aren't puffy or don't hike up around the armpits
On topic though,
When you sneeze and for some reason all the everything in your nose decides to gtfo.
Sit on bird crap
When your walking somewhere, trip then flail around like a spastic just to get back your balance.
People can hear your earphones and the song you would never admit you like.