A rather large dog. The M adds weight, girth and heft to the word, hence its use for rather large dogs.
by LordDonnel January 17, 2019
by Unco Sam's Eggroll February 17, 2008
domg meaning: dude oh my god. Basically a "rad" way to say omg without sounding like a noobzor or a "liek oh em gee" person.
by somedude242 August 19, 2008
by remT October 05, 2008