granny-dumping noun the convenient removal of elderly relatives from family responsibility to permanent hospital or nursing-home care UK
Delegates also expressed their concern about “granny dumping”. — TheTimes(London), 8 April 1987
[T]he plan [for overseas Japanese retirment colonies] died a natural death because an incensed public viewed it as a form of “granny-dumping”[.] — Charles Danziger, JapanforStarters, p. 129, 1996