sia suay adjective 1verb 1forms 2 adjective1 •(Singapore, Singlish) Causing embarrassment or disgrace to others.Most of those who sing these songs are too drunk to be stopped. Sia suay (Hokkien for bringing shame to the entire clan) only. — 1989 verb1 •(Singapore, Singlish) To disgrace; to cause embarrassment for others.Kenna hantam until nothing to say in the old thread then start a new one to get ppl oin your side without your old posts to sia suay you. — 2007 formsmore sia suay · most sia suay