Retarded outburst in relation to someone who is stupid, used usually as an insult. Word can also be mixed with other words such as Dirr-bag, Dirrt-bag, Dirrling.
hahahahahaha no, oh Dirr, you're such a dirrt-bag
by Joeler October 19, 2010
Dirr is the entire american language fit into one word, except for anythuing relating to wordChunword
by Padmei October 11, 2003