a stopper for closing a hole in a container

block something by overfilling it

you let vegetable peelings bung the sink up

close with a stopper

the casks are bunged before delivery

put or throw (something) somewhere in a careless or casual way

fill out the reply-paid card and bung it in the post

a bribe

broken down, ruined, or useless

I've been in bed all day with a bung neck

dead