Great, out come a Malaysian to spoil the fun... :P
Yup, its a rambutan, a fruit.
"In the months of July and August, fruit stalls and door-to-door vendors in many South East Asian cities present an extra colourful picture. The reason is the bunches of a strange looking oval fruit with bright crimson or yellow skin covered with short fleshy hairs - rambutan - is in season, and plentiful. The word comes from the Malay, 'rambut' meaning hair. Inside is a narrow seed covered with semitransparent flesh which is crisp and mainly sweet. "

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