"Dismal paparazzo whose career consists of lying in the gutter desperately pointing his camera up the skirts of celebrities exiting limousines."
Coined by Screen Wipe's Charlie Brooker.
The tabloids employ crotchdogs as the world has a right to see what Z-list celebs have under their miniskirts.
A person can be a bag of crotches when calling them a crotch or crotchity is just not enough. This is a person who not only steals your job, but insists to everyone in your workplace that he or she is waaaaaay better at it than you are, and that he or she is always right, and can NEVER be wrong.
Amy is a Bag of Crotches. If I say something is blue, she will tell everyonethat it is red, and somehow they will believe her.