Top Definition
means night butterfly in Indonesian
meaning a prostitute!
On the side of the rode a woman all dressed up asking people for sex.

amba: oi look theres a kupu-kupu malam
cath: hahahhahhaah she is deffinatly a kupu-kupu malam ay
by June 04, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.