From Longman Dictionary of Contemporary Englishpull the plug (on something)pull the plug (on something)informal to prevent a plan, business etc from being able to continue, especially by deciding not to give it any more money The Swiss entrepreneur has pulled the plug on any further investment in the firm. → plug
Examples from the Corpus
pull the plug (on something)• George Bush pulled the plug out here fairly early.• The banks can pull the plug.• But the firm pulled the plug on the scheme last week, leaving McAlpine fuming.• Mir guys, pull the plug.• Then, on March 28,1980, with no warning to the workers, Harvester pulled the plug.• When the gap gets to two seconds or less, I pull the plug.• They studied referees' reports and may recommend pulling the plug again after the final at Wembley on March 27.• Practically, the banks are not wishing to pull the plug. 