Roostburger 

While on a dirt bike, hold front brake and pull the throttle. This makes dirt shoot out from under your back tire.

That was a fat roostburger, bro!

Roostburger by brotymus rex May 21, 2011

Oostburger 

A food item eaten in Sheboygan County, Wisconsin combining a bratwurst and a hamburger in a Sheboygan hardroll. Named after Oostburg, WI just south of Sheboygan where the concoction may have originated.
Also known as a "pork and beef" or more comonly as a "combo".

"Can you get me two double brats, a hamburger and an Oostburger from the bratfry down by the church there, ja?"

Oostburger by 'sconsin boy September 13, 2009

Rustburger 

A ginger fanny.

Dude I so did that ginger bird hard in her rustburger last night.

Rustburger by DunnyOwl February 26, 2009

Roastburger 

Arby's burger done better. Never greasy and never fried. All your favorite burger toppings on thinly sliced roast beef with special seasoning and sauces.

I am heading to Arby's for a All American Roastburger!

Roastburger by Antietina March 2, 2009