Donoschik
(orig: Russian) A snitch, especially during the pandemic; someone who especially enjoys tattling on friends, neighbours and local businesses who don't obey lockdown and isolation. Comes from the Stalin terror era when everyone feared the local tattletale working for the party. Sim: informant, squeal, sneak, snake, traitor
Hey, watch out for that donoschik in 105, she's a serious snitch and will rat you out in a New York minute if you have a party.