tied to his mother's apron strings

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
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.