afraid of your own shadow

afraid of (one's) own shadow

Easily scared; jumpy; timid. Everyone was surprised that Janice led the meeting with confidence, as she normally seems afraid of her own shadow. Please don't take my sister to a haunted house on Halloween—she's afraid of her own shadow.
See also: afraid, of, own, shadow

afraid of your own shadow

If someone is afraid of their own shadow, they are very nervous and shy. She's afraid of everything these days — afraid of her own shadow. Note: Adjectives such as scared or frightened can be used instead of afraid. He used to be scared of his own shadow as a little boy.
See also: afraid, of, own, shadow

afraid of (or frightened of) your own shadow

unreasonably timid or nervous.
See also: afraid, of, own, shadow
References in periodicals archive ?
The idea that you walk away because you're a party afraid of your own shadow is also a very bad place to be in" - Jeremy Corbyn, a Labour leadership candidate, urging the party to tackle Tory Government policies head on.
And if you've got your knickers in a twist about Miley Cyrus cavorting on stage at the VMAs, you must live a cloistered little life and be afraid of your own shadow.
Don't create imaginary enemy and don't be afraid of your own shadow.