(US, informal) A mother for whom issues of safety and national security are of great importance.

(derogatory, slang, chiefly US) A general-purpose insult, often used to comedic effect due to becoming stale.

plural of mom cave

A part of a home, typically a room, reserved specifically for a mother, in which she can relax and pursue her interests away from her family.

(plural only, Southern US) Family

A childless woman who enters into a relationship with a man who has children, instantly becoming a mother.

(informal) mother-in-law

(US, informal, euphemistic) A mother whose child has died. / (US, right-wing politics) A mother whose child was killed by an undocumented immigrant.

(informal) Jeans, especially those for women, considered unfashionable and unflattering. / high-waisted bluejeans for women

(US, Canada) (typically of a business) Small and unsophisticated, typically because operated by a couple or a family.