(idiomatic) To conform to majority beliefs, opinions, or practices.

(nautical) To carry an unusual amount of sail in an attempt to accelerate the speed of a vessel.

To engage in crowd surfing (being carried over the heads of a densely-packed crowd)

The deliberate use of psychological techniques to direct the behavior of a crowd.

(informal) an event that attracts a large number of people.

The collective opinion of a group of individuals rather than that of a single expert.

plural of crowd-puller

plural of wrong crowd

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

plural of tough crowd