dump (something) in (someone's) lap

dump (something) in (someone's) lap

To foist something onto someone else. Yep, management dumped that big project in my lap after Lydia resigned.
See also: dump, lap

drop/dump something in somebody’s ˈlap

(informal) make something the responsibility of another person: They dropped the problem firmly back in my lap.
See also: drop, dump, lap, something