Eggcorn of en masse.

In a single body or group; as one, together.

(derogatory) The collective group of people who are considered to be uneducated, uninformed, or in some other way unqualified for inclusion in the speaker's elite circles.

Alternative form of en masse

plural of critical mass

plural of point mass

plural of rest mass

plural of atomic mass

plural of land mass

plural of mulberry mass