The real or imagined fear of being speared by a wayward umbrella while enjoying an afternoon at the beach.
Without Frank's quick reflexes, the entire beach party was in serious risk of injury due to the wildly errant beach umbrella. "Thanks Frank, umbrellacide is an unfortunate way to go," his friends applauded.
A nasty, skin inflammatory infection caused by multiple stimuloses commonly found in ink pens. The rashes, and irritation that follow can be devastating. One knows when they are infected by this when red and grey bumps surface to the epidermis (outer layer of skin), and inflammation and proposterous itching begin to occur. There is no known cure for unmrellatidus.
Dude, have you seen Joe's skin? Its the nastiest thing in the world! I think he might have umbrellatidus from those stupid markers he has been playing with.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.