Dude Bro Yeah is a "code phrase" for a combination of any two girls that you like, or think is very attractive. For example "Dude" being the face, and "Bro" being the body. and "yeah" just meaning "damn son ;)"
An affectionate drunk who continues to seek intoxication not realizing that the festival is over. Festival Dude-bro is capable of little coherent speech, other than the often used and fully interchangeable terms , "Dude" and "Bro".
Festival Dude-bro, staggering into campsite, "Dude, lees part-y! Dude, Got any beerrrzz bro?"
Concerned Festivaler, "Dude-bro, I think you need to sit down before you fall down and drink some water."
The typical popped collar, puka shell necklace wearing, iroc driving, bleach tipped hair rulers of the jockocracy that was high school in the late 90s/ early 2000s. They thought Enema of the State was the best album ever and Paris Hilton was hot. Now have giant beards, wear skinny jeans, sell insurance and long for the days when they were cool enough to dump pigs blood on Carrie at the prom.