Haiya is the opposite of fuiyoh and is the MSG of words. It is used when expressing extreme disappointment, frustration, etc. The word went from only being popular in middle-aged English speaking Asian groups to being appreciated by a wide range of people because of recent viral videos on Youtube by Uncle Roger, a persona created by an Malaysian British comedian, Nigel Ng.

"Everybody should use the word haiya to expand your vocabulary, no matter if you're asian, white, black, or green." -- Uncle Roger, 2020
"Haiya green again today, so sad."
by DonXnoD September 23, 2020
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Haiyaaa, no MSG in this egg fy rice
by MrNobodyImportant November 29, 2020
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As what uncle roger said you use Haiya when you disappointment. Everybody should use Haiya. You sad you angry you disappointed. All emotions are in this word. The MSG of words
Haiya! Jamie Oliver added chilli jam to his egg fried rice
by EggfriedriceFan September 24, 2020
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a furry popularised way of saying hi! mostly used by furry youtuber @noshiena
Very Very cringy
" HAIYA!! Nos Hiena here..."
by ThisBi*chEmptyYeet March 17, 2020
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