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

Oostburg

A small town known for four to five main family names who populate the city insestually to keep there village free from sinners, but in the end become sin itself.

Man those people must be from oostburg, They like incest!

Oostburg by asdgawetq235 December 9, 2008

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