Noun, similar in definition to chav or townie, referring to the identikit subclass prodigiously breeding around every branch of McDonalds, and etymologically derrived from the territorial calls that emanate at ludicrous volume from their cars.
"Dumchie dumchie dumchie dumchie dumchie dumchie dumchie dum dum dumchie..."
"Dumchie dumchie dumchie dumchie dumchie dumchie dumchie dum dum dumchie..."
by Bourgouistree February 25, 2005