(idiomatic) A group of people thought to have a negative influence on a person's behaviour; a bad crowd.

(psychology) A branch of social psychology which is concerned with the behaviour and thought processes of individual crowd members and the crowd as a whole; a study of the dynamics within large groups of people and the nature of the relationship between the individual and society.

(transitive, sometimes figuratively) To force to leave by crowding; to push out or away through strength of numbers.

Alternative form of crowdpleaser

To attack someone on the edges of a mosh-pit - who isn't moshing

To go somewhere before many others do.

plural of rent-a-crowd

(video games) To apply such a debuff.

The supervision and control of a crowd of people, to keep the crowd orderly. / (video games) The concept or collective of action-impairing debuffs.

(informal) An audience that is difficult to please.