the colour of your undies might reveal your personality:
white
standard colour, been wearing since primary school?
some people say it signifies purity and innocence
black
new standard colour, all adults and ah lians wear
if worn under white clothing might reveal slight exhibitionist
tendencies 
skin colour
conservative
red
hot man! probably more sensual and willing to reveal sexual side of
you
bright yellow, pink, orange, purple, etc etc etc
bikini ah? or are you just more creative and expressive than the
avg singaporean?
striped, polka-dots, checkered
girl-at-heart. like cute and sweet stuff, can be affectionate and
eager to please
