Slang – Plonk Slang – Plonk. Meaning – Cheap wine. Plonk can refer to any wine that is of poor quality. Plonk is British English slang. Example: “I don’t want to cook tonight. Let’s grab a bottle of plonk and order pizza!” Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Mastodon (Opens in new window) More from FunkyEnglish: In Slang alcohol British plonk Slang ← Previous Post Next Post →