Yongloon Share definition Flag In some circles, typically refers to an individual that gets defensive when argued against, but can be used as a verb as well to represent such actions. There’s no helping it, he’s such a yongloon.Stop yonglooning around, kind sir. Yongloon by lnowysink August 5, 2024 0 0 Get merch Get the Yongloon mug. Buy Now — $32.95 See more merch