PLONK
plonk
(noun) the noise of something dropping (as into liquid)
plonk
(noun) a cheap wine of inferior quality
plank, flump, plonk, plop, plunk, plump down, plunk down, plump
(verb) set (something or oneself) down with or as if with a noise; “He planked the money on the table”; “He planked himself into the sofa”
Source: WordNet® 3.1
Etymology 1
Onomatopoeic
Interjection
plonk
The sound made by something solid landing.
(Internet) The supposed sound of adding a user to one's killfile.
Noun
plonk (plural plonks)
(countable) The sound of something solid landing.
Verb
plonk (third-person singular simple present plonks, present participle plonking, simple past and past participle plonked)
(transitive) To set or toss (something) down carelessly.
(transitive, Internet slang) To automatically ignore a particular poster.
Synonym: killfile
Adverb
plonk (not comparable)
(followed by a location) Precisely and forcefully.
Synonyms
• bang
• slap bang
Etymology 2
Noun
plonk (uncountable)
(uncountable, UK, Australia, New Zealand, Canada, informal) Cheap or inferior everyday wine.
(military, slang, historical) AC Plonk
Etymology 3
Noun
plonk (plural plonks)
(countable, dated, British, law enforcement slang) A female police constable. [in the 1970s]
Synonym: Thesaurus:police officer
Source: Wiktionary