Plonk

What is Plonk ?

Plonk is (noun) cheap wine (informal.) I bought a bottle of Spanish plonk from the supermarket. (verb) to put something down in a careless way The waiter just plonked the plates down in front of us and went off. A big fat man plonked himself down in the seat next to me and went to sleep.

 

source: Easier English, Student Dictionary Upper Intermediate Level