old mill u 

the discriminating term used to aacc. aka anne arundel community college.

"yo where do you go to school!?!"

"old mill u son!"

old mill u by Lil Debbie December 24, 2007

Old mill, back it up

The oid mill will use this when they want there crew to ‘back it up’

Me and Ngoni were on a mad one, old mill, back it up

Old mill, back it up by Oldmilloriginal November 28, 2018