on somebody's 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 somebody’s ˈshoulders

if blame, guilt, etc. is on somebody’s shoulders, they must take responsibility for it: I feel like all the responsibility is on my shoulders, which is quite stressful.
See also: on, shoulder
Farlex Partner Idioms Dictionary
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