Powderful - Power + Wonderful. A slang that was derived from a deliberate mispronunciation of powerful.
Powderful is often used as a pun to sarcastically praise someone of his/her qualities.
Ah Seng: âAh Beng, your english is sibeh powderful. I witnessed your conversation with the ang moh when you were trying to sell her perfume. You used phrases like âa person of your elegance and classâ lah, âbefitting your simi statusâ.