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1.
Vietnamese insult. Translates to "mother fucker".
Du ma~!
by Kaiyo July 22, 2003
 
2.
whoever spelt "du" as "dou" is a dumbass
the phrase originates from south vietnam.. you might also here "dit me may" which means the exact same thing, but is used my nothern vietnamese people for their dialect is slightly different by means of accent and a few words.
DU MA MAY means fuck your mother..
DU MA means mother fucker..
"du ma thang sau nay" = "mother fucker, this ugly guy" or.. "this mother fucking ugly guy"
by lala nguyen October 09, 2006
 
3.
vietnamese for mother fucker
lets go fuck up them du mas
by VC_BOY April 11, 2005
 
4.
1. (Doo-MAHS) An altered pronunciation of "dumbass", invested with faux-French cachet. See also Targeé.
2. A fool of epic proportion; oaf, nincompoop; a personage of supreme incompetence and/or stupidity.
3. The celebrated French author Alexandre Dumas (The Count of Monte Cristo).
"Did you hear that Pierre got arrested last night for getting trashed and trying to climb the Eiffel tower in his underpants??? What a Dumbass!"

"Yeah, dude. He's totally a Dumas."

"Yeah. Awesome though."

"Fuckin' right."
by Sir Neville Mariner, W.F.G September 20, 2006
 
5.
1. Dumas (pronounced do-mah) is a name of French heritage, famously sported by writer Alexandre Dumas (Three Musketeers et al.) and Troy Dumas (Nebraska, Denver Broncos).

2. Dumas is also a state of complete and utter domination.
1. Dumas played in both the NFL and AFL afterword.

2. "What just hit me?"
"That was a Dumas"
"Dumas RULES"
by sanatariumchild February 04, 2010
 
6.
More retarded then a dumbass, Unable to spell simple words or remember things, unable to achieve any level of accomplishment with out making it up out of thin air.
Mom "Did u get car insurance yet chris, with the money i gave u?"

Chris " Nope spent it on beer and imaginary stories"

Mom "Your a complete dumas."
by Parking Spot Moniter February 03, 2010
 
7.
Dumas (DOOM~us)
1)The smallest town in Mississippi

2)The most annoying b*tch ever
1)"Do you know how to get to Dumas?"
"Where?"

2)"Kate is such a Dumas"
by MLIA FOREVAH!! December 19, 2010