tied to his mother's apron strings

tied to (one's) apron strings

Controlled or dominated by one. Used especially in reference to a man controlled by a woman. I'm worried that my husband will forever be tied to his mother's apron strings—he's a grown man but still does every little thing she asks! Can you make a decision on your own, or are you tied to her apron strings?
See also: apron, string, tie
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

tied to his mother's apron strings

Momma's boy. An adult male deeply attached to his mother, dating from the era when mothers (and other homemakers and housekeepers) wore aprons.
See also: apron, string, tie
Endangered Phrases by Steven D. Price Copyright © 2011 by Steven D. Price
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References in periodicals archive ?
"Alex finds Katie's mum too controlling and Katie can't bear Alex being tied to his mother's apron strings.
Tied to his mother's apron strings, neglected by his father and unhappy that daddy spends all his time with his alluring assistant, Tom has plenty of reasons for wanting shot of Greta.
He's not tied to his mother's apron strings, he's tied to his sister's.