To abandon someone or something suddenly and completely, sometimes to avoid potential problems. I haven't seen Cynthia in weeks because she dropped me like a hot potato once she started hanging out with the cool kids.We dropped our renovation plans like a hot potato after finding out how much the job would cost.
drop someone/something like a hot potato
tv. to disassociate oneself with someone or something instantly. When we learned of the conviction, we dropped him like a hot potato.