The rebuttal to the feministuse of the word "mansplaining". Used as a counter to their attempt to suppress arguments through a dismissal from buzzwords.
It's used by women (mostly) who complain in a snide, bitchy, nasty manner, usually directed at men.
The female vehicle owner breaks down whilst driving her car to work, her car is towed to an authorised mechanic. The mechanic is polite and tries to explain that she has "cooked" her motor and that regular maintenance wasn't adhered to. She complains that she doesn't understand and acts like a nasty bitch to the person trying to help. She is Cuntplaining
When someone complains about a problem, but doesn't want help or advice on how to address said issue. As well, said person does not specify that they do not want help/advice.
Usually how someone complains about "Mansplaining" or "Giving an explanation that is unsolicited, or unwanted"
Person who is Cuntplaining: "Ugh, trying to print a document, why is MSWord such a PITA..."
Also Cuntsplainer: "I wish people would stop talking to me like I don't know what I'm doing... #Mansplaining"