Bitch - (verb) Complain.
Any gender can bitch. Bitching is an activity not exclusive to women. Men can and do it all the time. It's just that when men do it, it becomes a whine. Whine, whine, whine - sounds more pathetic, and it is. Do you want some cheese with that whine?
The old man is not apolitical. In point of fact, he is intensely political. But, nobody listens to an old man. Moreover, he finds that 95% of the people out there have already made up their minds about who to vote for. No matter what you say, nothing makes a difference.
All he has to say is VOTE!
Then quit your bitchen and whinin'. And let's get back to work as Americans to make this a better country
*If you are not a native English speaker then you might not know that a bitch is a female dog. Cur is the male dog. Bitch is also a cranky, assertive female, the young female counter to a grumpy old man. It is a few other things too, which I need not repeat here.