wai fai Share definition Flag Kuching slang, meaning to wait around for something new and better forever without ever getting it. That dude has been wai fai-ing for a new Sony phone since forever. Get over it, just buy the latest and be happy with it! wai fai by lazykevin November 5, 2016 0 0 Get merch Get the wai fai mug. Buy Now — $32.95 See more merch
