An endearing, self-confidence-reducing term to be used when you have well and truly be fucked in the arse but a section of the powerlines track (Perth, WA). Usually consists of one: an overconfident 4x4 driver, two: a Land Rover Discovery, Three: a water crossing, and Four: a malfunctioning center differential.

A main situation timeline for the term "Done a Real Plonker" to be used is as such. See's water crossing, aims, drives through, bogs, sinks, floods car, gets towed out because, land rover..
Third Person "That guy Austin sure done a real plonker on himself driving like that in rear-wheel drive"
First Person "Ah fuck I've done a real plonker, this is the lowest point of my life and now my girlfriend is gonna leave me and get stuck in the washing machine with her step brother nearby"
by 12HT4Lyfe October 31, 2023
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