cut the cord

cut the (umbilical) cord

to stop needing someone else to look after you and start acting independently. In order to achieve true independence, smaller nations must cut the cord and stop depending on the United States for financial aid.

See also: cut

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cut the (umbilical) cord

to end support of someone or something, esp. financial support. He needs to cut the umbilical cord, get away and find his own place in the world. By criticizing his party so strongly, he cut the cord and now has to raise campaign money on his own.

Etymology: based on the literal meaning of cut the umbilical cord (= to separate a baby that has just been born from the tube that connects it to its mother)

See also: cut