Pushiness - dogs that beg for attention, beg to go outside, bark for attention, demand barking (GIMME THAT!), whining, etc. The dogs I work with learn REAL FAST that unless they're patient, they're not getting ANYTHING.
Also mouthiness. This is the main reason why I would not want a puppy, but also many adult dogs mouthe and it drives me crazy. I guess it kinda falls under the "pushiness" category in my mind.