The combination of the first part of dude that makes the do sound and man which is changed to sound mane (like a lions mane) for more effectiveness in speech. Not meant to be derogatory. It can be used as a greeting like "Dude!" or as a replacement for a name (see examples).
by Jade the Number One Son June 11, 2011
Get the Doomanemug. by JP Daley February 9, 2008
Get the Doomanmug. by uhhhhhhhhhhhhhhh September 3, 2008
Get the doomanmug.