drum up

PHRASAL VERB

If you drum up support or business, you try to get it.

• It is to be hoped that he is merely drumming up business.

...Cobuild

1. To bring about by continuous, persistent effort: drum up new business.

2. To devise; invent: drummed up an alibi.

...Am-Heritage

to obtain something by attracting people's attention to one's need or cause.

• I shall try to drum up support for the party.
• You shall have to drum up new business by advertising.
• I need to do something to drum some business up.

to create interest in something

• The best way to drum up excitement for a book is to get people to talk about it.

... http://idioms.thefreedictionary.com/drum+up