Definition of "buang"
buang
verb
third-person singular simple present buangs, present participle buanging, simple past and past participle buanged
(Singapore, colloquial, informal) To discard or throw something out.
Quotations
The RSAF attachment in France and Australia is a very good example. If they are in Singapore, many of these RSAF wives will not bother to have babies at all. Likewise in Batam, Singapore men are known to "buang sperm" like water over there.
2004 March 2, Kilometric, “Singapore Birth Rate”, in googlegroups
Being the deep-thinking intellectual I am, I sat in front of my telly, contemplating certain important issues before setting out to watch the 9 o'clock show - The Champion, starring the voluptuous Fiona Xie, no-breasted Jeanette Aw, and cute Toro Tan (I don't know Toro's surname so I anyhow buang).
2004 October 28, Xiaxue, “Blogging TV Critic!”, in blogspot.sg
Soon after, two other forms came into play: “anyhow whack” and “anyhow pong”. These two terms are an improvement because they buang the whole need to remember and name the action verb itself.
2015 August 5, Gwee Li Sui, “SinGweesh on Wednesday”, in themiddleground.sg, archived from the original on 20 March 2016