on shoulders

on (one's) shoulders

One's own responsibility or obligation. My siblings' care has been on my shoulders ever since our parents died.
See also: on, shoulder
Farlex Dictionary of Idioms.

*on someone's shoulders

Fig. on someone's own self. (*Typically: be ~; carry something ~; fall ~; have something ~; leave something ~; put something ~.) Why should all the responsibility fall on my shoulders? She carries a tremendous amount of responsibility on her shoulders.
See also: on, shoulder
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • play cards
  • have swallowed a dictionary
  • ain’t 1
  • phased
  • phazed
  • at one's
  • at someone's
  • open one’s kimono
  • gripes one’s butt
  • go out of