noun
plural bungs
[count] a piece of wood, rubber, etc., that is used to close or cover a hole in a barrel
Brit informal :bribe
verb
bungs; bunged; bunging
[+ obj] Brit informal :to put (something) in or into a place in a quick and careless way
bung up
[phrasal verb]
bung up (something) or bung (something) up Brit informal :to block (something) so that liquid, air, etc., cannot move through it