The act of explaining the meaning of the word meme to a person who does not understand it. Most people incorrectly believe that a meme is a picture with words added on top of it. This is actually an image macro. While some image macros are also memes, not all memes are image macros. The preceding three sentences are an example of memesplaining.
The use of words and tone that occurs by mothers. The audience is not limited to children, but can also be used with childless friends. Usually condescending in tone.
When you have a valid point about something but a female has to tell you how you're wrong simply because you're a man and you had something to say about a feminist topic...yet they say the exact same thing and the point is only acknowledged because a female said it.
Well I had a good point but she mamsplained it to make me look like I shouldn't be apart of the conversation.