drum out of
drum someone out of somethingand drum someone out
Fig. to expel or send someone away from something, especially in a formal or public fashion. They drummed Bill out of the bridge club for having a bad attitude. The corps drums out a few cadets each year.
drum somebody out of something
to force someone to leave a job or organization A lot of writers and directors were drummed out of the film business in the 1950s because they were suspected of being communists.