Movie Famous Quotations

Arenas said ”My swag was phenomenal !”.What does this mean?
He said so after he hit a buzzer beater.
In this line, does ‘’swag” have any other meanings?
Did he carry a quotation from a famous movie or a TV program?
Does ‘’swag” mean ‘’swagger” or incredible skills he has?
English isn’t my first language.I live in Japan.So, I don’t know what this line actually means.I have no idea why this line is that famous in NBA blogosphere.
I’ve checked ‘’swag” and ‘’swagger” here.
http://www.urbandictionary.com/define.php?term=swag
http://dictionary.reference.com/search?sourceid=captaincaveman&q=swag
This is a video in which he was interviewed.The length is 3:27.The line is at the very end of this video.
http://blog.washingtonpost.com/dcsportsbog/2007/01/my_swag_was_phenomenal.html
Apparently it was a phrase started in the Wizards locker room, when a player is hot they comment on his “swag”ger. I think it was started by brendan haywood that and “Hibachi”. But that’s just Arenas being Arenas, if you lived in the Washington DC area and loved the Wizards, you would hear way more crazier things that he has said.
Famous Quotations