This is the revision history for plonk in <matrix.org:#rAnyijhRxzFRfdjSHl:matrix.org>

factoid_idsubjectcopulapredicateauthornamespace
9600 plonk is [Usenet: possibly influenced by British slang ‘plonk’ for cheap booze, or ‘plonker’ for someone behaving stupidly (latter is lit. equivalent to Yiddish schmuck)] The sound a newbie makes as he falls to the bottom of a kill file. While it originated in the newsgroup talk.bizarre, this term (usually written “*plonk*”) is now (1994) widespread on Usenet as a form of public ridicule. chibapet <*:##NULL>
9553 plonk is http://www.catb.org/~esr/jargon/html/P/plonk.html apeiron <*:##NULL>
9552 plonk is everything you say now goes to /dev/null ashley_w <*:##NULL>