lunch runner 

One who runs out of the classroom and down the hall so he can be the first on in line for lunch.

Look at that fuckin lunch runner billy. ya hes a fuckin idiot

lunch runner by Frazier Boy August 10, 2006

Lunch Runner 

A lunch runner is a person who waits in the halls of math class ready to book it to the lunch line

yo these lunch runners getting all the spicy chicken sandwiches before i can even get in the line

or
These lunch runners on they seconds before i even reach the lunch room

Lunch Runner by Artini McCringle October 22, 2018

lunch Runner 

A slang term for an active school shooter

The Police got a call about a potential Lunch Runner in the classroom

lunch Runner by Flaccid Gumby November 15, 2023