What is Dumdedum?
1.
A 'word' some people use when they are often bored and cannot think of anything else to say, or simply a way of trying to continue a somewhat dead conversation. Is often followed by similar words.
Mainly used through internet-based text chat.
dumdedum
dobedo
im bored.
2.
A way to express your bordemness.
Dumdedum....I'm so bored....
See