The city of Beaumont has been abbreviated “BMT” since at least the 1990s. “Big Money Texas” has been used to spell out “BMT” in print since 2003.
   
   
Wikipedia: Beaumont, Texas
Beaumont is a city in and the county seat of Jefferson County, Texas, United States, within the Beaumont–Port Arthur metropolitan area. As of the 2000 U.S. Census, the city had a population of 113,866. With Port Arthur and Orange, it forms the Golden Triangle, a major industrial area on the Gulf Coast.
 
Lamar University is based in Beaumont. The city’s daily newspaper is The Beaumont Enterprise, while The Examiner is published weekly.
 
Gulf States Utilities had its headquarters in Beaumont until its absorption by Entergy Corporation in 1993. GSU’s Edison Plaza headquarters is still the tallest building in Beaumont (as of 2007). Since 1907, Beaumont has been home of the South Texas State Fair. In 2004, the venue for the Fair changed to Ford Park, a new, larger facility on the west end of Beaumont. 
 
Urban Dictionary
Big Money Texas
Slang for Beaumont, Texas. Used almost exclusively by residents of this medium sized, rather boring town. This phrase comes from the abbreviation BMT for (B)eau(M)on(T).
This phrase occurs occasionally in amateur rap mixtapes produced in the city, and clothing made in the area.
 
Mike:where you stay at? Sally:I’m from that B-M-T… Big Money Texas!
by Scoota Big Money Texas May 7, 2007
 
Urban Dictionary
Bmt
Bmt: abbreviation for Beaumont as in Beaumont, Texas and also the acronym which stands for Big Money Texas which is used to describe the city.
 
Girl: Hi, my name is Tiffany im from Arlington, Texas but people down here call it Agg-Town. Where are you from?
Boy: Im from Bmt
Girl:What’s that?
Boy: It stands for Big Money Texas. That’s what we call our town Beaumont, Texas.
by Keenan Frank Beaumont, Texas Jun 3, 2007
     
Google Groups: rec.skydiving
Newsgroups: rec.skydiving
From: Brian Holst
Date: 1997/06/01
Subject: looking for missy and truman
 
I am looking for Missy and Truman. They just moved to Las Vegas from Beaumont, Tx. They owe me some money for a gift certificate that was purchased from Skydive America, in Bmt., Tx.
       
Google Groups: alt.callahans
Newsgroups: alt.callahans
From: .(JavaScript must be enabled to view this email address) (Anne Gwin)
Date: 1998/01/13
Subject: Re: On clue x 4s and a toast (long) 

*Some*?? There’s one 5’ hill in Beaumont, where I grew up. Between Bmt and Houston, there’s rice fields and cow pastures; the only hills are highway overpasses. 
     
Google Groups: rec.aviation.student
Newsgroups: rec.aviation.student
From: Dave
Date: 2000/08/04
Subject: First night solo….
   
I had a reason to go somewhere and eat dinner tonight, so I signed up for the plane and departed in daylight from SPX (Houston Gulf) for BMT (Beaumont Muni) around 1830… 
 
Google Groups: austin.food
Newsgroups: austin.food
From: “Lonnie D. Durham”

Date: Thu, 4 Jan 2001 21:23:54 -0600
Local: Thurs, Jan 4 2001 10:23 pm
Subject: Re: Kudos to McDonalds—por que?
 
W/ regards to your earlier question, “BMT,” is Beaumont. 90 miles east of Houston by the Louisianna border.
   
blogjam dot cow
Comment by Tha Bigg Boss
2003-06-12 18:33:37
Ya’ll ain’t ready fo me this boy coming out of Big Money Texas (Beaumont, Texas) ya’ll know me if ya saw me rollen.
 
Livejournal: rocketsa12
rocketsa12 (rocketsa12) wrote,
@ 2005-07-28 14:34:00
I am going see if one of these weekends if Jorge and I can go back to Beaumont to do some visiting with the parents. [Big Money Texas BMT]
 
The Morning Run
Tuesday, March 14, 2006
hull, tx
I went to hull, texas this weekend to visit the folks and friends. It was a short lived trip and was too busy to even get out to beaumont to see my boy curtis’ new place. A time will come though when i make a valient return to big money texas…
   
All About SaM-SaM
Monday | May 22, 2006
MY FIRST TIME
HEY WHATS UP YALL, WELL IM NEW TO THIS THING SO GIVE ME A CHANCE TO LEARN ABOUT IT. WELL MY NAME IS SAMANTHA AND IM FROM BEAUMONT TEXAS A.K.A BIG MONEY TEXAS.