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1.
Highly ghetto in nature, this Texas city is home to damn good Cajun food, U.G.K, & the coldest 5A football team around, The Trill-Ass Memorial Titans. Represent the 409. Also mentioned in a Jay-Z song.
"Dem Boys From P.A. Don't Play."

"Big Pimpin' Down In P.A.T" (Port Arthur Texas)

"Man, you heard about that boy Jamaal Charles from PA goin to UT next year? He's gonna run the damn show"
by TheClyde August 12, 2005
 
2.
Land of the trill, and you aint from it. If ya are, then show em' what the fucks up.
Port Arthur, Texas
by huod November 18, 2009
 
3.
The generally more classy area of Thunder Bay
while classy is not proper termonolgy for anything Thunder Bay, if you arnt into old houses and poor quality air you most likely live in Port Arthur. Port Arthur is known for the hospital, plethura of schools, and generally italian nature, also the vast area of locally owned cultural and household stores and buisnesses.
guy 1 - have you been to the hoitio lately?
guy 2 - no where is that?
Port Arthur duh! you must be from westfort but yeah i went the other day, the finn pancakes are so good then i walked to the loop and finnports.
guy 1 - nice, i should hit that up
by Superstar161156 February 19, 2011
 
4.
1. Scene of the world's worst single gunman mass murder (37 dead), which took place in Port Arthur, Tasmania, Australia in 1996.

2. Australian equivalent of the Virginia Tech shooting, or to a lesser extent, Columbine High School Shooting.

3. Adj. To go completely insane or at least into an incomprehendable fit of anger filled rage

4. Verb. Act of extreme violence or anger
"Davo was so angry about his mrs cheating, he went completely Port Arthur on the other bloke"

"Mate, it's not that big of a deal, no need to be all Port Arthur about it."
by tuiyouju March 18, 2008