Counterpoint to mansplaining. When a woman explains something to a man as if he were her special needs child. Usually done in a condescending and demeaning manner.
Thanks for ma'amsplaining to me on how to properly stock a shelf, Angela, but I've been working in the auto parts business for 15 years.
The female version of manspreading . Done mostly by women who are not concerned with being lady-like. May also apply in cases where women block a seat with her bags/purse.
Excuse me lady, but could you stopma'amspreading and let me sit down?