(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

A group of people who are paid to attend an event to increase attendance figures, rather than attending of their own volition.

Any type of art that attracts groups of people to view or participate. Examples include pavement drawings, sand sculpting, clowns, and mime performances.

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

To go somewhere before many others do.

plural of crowd-poisoning

(medicine) A disease occasioned or aggravated by overcrowding, especially due to lack of ventilation.