When someone is in or too close to your personal space which is making you feel uncomfortable. Same as how the annoyed baseball pitcher feels when the batter is making they're job harder by taking up the area of the plate he is aiming for.
I was standing in the grocery store line, when the impatient person behind me was practically breathing down my neck to get out of there. "He/she" is "Crowding the plate".
A plate of brown consists of foods that have little to no nutritional value, and are typicallydeep fried. A true plate of brown will also be accompanied by a dark soda.
Boobonic Plate is a common response to anything said or asked by your friends or family. Not to be confused with Bubonic plague, this word is much more sophisticated and much more confusing to read.