What a younger man sometimes calls an older MILF in bed ( even if they're the same age or she's younger he might call her that just to be kinky), also what a woman is called during roleplay especially incest roleplay.

What a dominantrix is called by her submissive slave.

besides the fact that mommy means the female parent and all of these amazing kind adjectives that come with it, mommy can be used jokingly in a sexual way, just like daddy is.

A woman (usu. wife or girlfriend) who talks to you, or treats you like you're 7 years old, even though you're an adult.

A term you use, when you in deep shit that scares you to your diaper years and the only mambo jumbo you can say to the big bad scary thing in front of you that all lives in one sentence is Mommy that's the equivalent meaning of oh shit, well fuck, i'm screwed and etc.

It may as well be in a funny situation, to make a serious scary moment a bit comical with a weird facial expression.

On your/my mother; truthfully, I'm not lying, swear to god

That nice lady in the kitchen who makes a sandwich for you, right now.

Someone who likes to make their bf uncomfortable. The dominant one in the relationship