the sexual or erotic appeal of an older, nursing, or pregnant woman; the quality that makes mothers sexually attractive, usually including elements of nurturing, conservative dress, financial stability, and emotional stability.
This is not necessarily the predatory sexuality of the cougar, but something more everyday and domestic.
All I want to do is kiss her while she cuts the crusts of her kids' peanut butter sandwiches. She's so momrotic!
A maternity dress that shows that much cleavage? You look totally momrotic.