Just a general novelty sound... often used when the lyrics to a song are unknown.
Jimbob: *singing* "du-lu-wa-du-la du-du-lu-wa-wa-wa"

Timbob: "Hey, whats Jimbob singing?"

Tombob: "Just sounds like a load of duluwa to me"
by Gnashet May 23, 2007
Get the Duluwa mug.