on a

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on a string

Under someone's control, influence, or manipulation. She kept teasing him with the possibility of a relationship in order to keep him on a string, convincing him buy her clothes and pay for her rent. The boss really has the new intern on a string. If he so much as coughs, he'll come running into his office to see what he can do for him.
See also: on, string

on the string

Awaiting a decision. They told me they would call last week! How long am I going to be on the string?
See also: on, string

on a

/the string
Under one's complete control or influence.
See also: on
References in periodicals archive ?
In Snap-on's case, Fitch believes a leverage ratio of 5x or less is supportive of SOC's activities on a stand-alone basis.
For prior periods, employers may rely on a reasonable, good faith interpretation, including the proposed ruling in Notice 2002-31.
A district court allowed an estate tax administrative expense deduction for interest that accrued on a bequest--as required under state law--while the executrix waited for the IRS to issue a closing letter.
For a discussion of how to minimize income taxes on a decendent's IRA proceeds, see Lange, "Cascading IRA Beneficiaries," 34 The Tax Adviser 34 (January 2003).