This is a play on words. Specifically these words: "wine" and "sour grapes".
President Trump tweets a whole lot of meritless complaints about petty disputes concerning almost everything that displeases him. Some would agree his whine is made with sour gripes.
The true name of Wireclub. Trolls and dramaqueens gather here to whine at eachother over senseless topics. You will be asked for "decent pvt chat" but once you enter it, you will be faced with marriage proposals, declaration of undying love for someone who has never been met, and/or the request to become your foot slave.
the tendency of someone who's whining to keep complaining about their issues, even after they've passed the point of catharsis. therapists stay in buisness because of this property of human nature.
as soon as she brought up her ex, i could feel the whinertia taking effect.