Crowding the plate 

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".

Crowding the plate by TheNorthern October 24, 2010

crowding the plate 

referring to an almost unibrow; when one's eyebrows are going inward and almost touching

Aaron needs to get a wax, he's really been crowding the plate lately.

crowding the plate by JaaWeave November 9, 2006