Abbreviation for illustration, used mainly by the same people who use an abundance of other abbreviations such as LOL, u, r and so forth (otherwise called netspeak and chatspeak) in their online language for no apparent reason.
by MrPumpernickel October 8, 2006
Get the illomug. by Boob noob June 15, 2020
Get the Illomug. that imdillondavid guy is such an illo
by platinumprince June 4, 2020
Get the illomug.