Pittsburghese for the Monongahela River, one of the famous "Three Rivers" that, along with the Allegheny and the Ohio, runs through the 'Burgh. Can also refer to the Mon Incline.
Synonyms for the Mon
On this page, you will find 30 slang terms related to the Mon. Some of the top words include: West Philadelphia, Schuylkill, Niagra, Fuse, w2, and 25 more.