WU LIAO Share definition Flag Chinese word, often used to diss people for being lame. Used by Singaporeans. Moses: I shat 5 times this morning Bee Yan: Can you not be WU LIAO!!! WU LIAO by @GEMtries September 2, 2016 0 0 Get merch Get the WU LIAO mug. Buy Now — $32.95 See more merch