What is Uderblah?
1.
1. A commonly used exclamation with many variations.
Usually used when something unexpected happens, eg. something dropping from the table. Variations include words like abablah, adablah and such.
2. A retard talking.
1. -after the spoon drops from the table-
shaun : uderblah! (while fumbling with the spoon)
2. retard : aba aba uderblah?
See