Mack truck

== English == === Etymology === Named after the Mack brothers who founded the company in 1900. === Noun === Mack truck (plural Mack trucks) A motor vehicle produced by Mack Trucks, especially a semi-trailer. A semi-trailer of any brand. (figuratively) Any unstoppable or enormous thing coming through. ==== Usage notes ==== This term and Mack may have trademark status. ==== Further reading ==== Mack Trucks on Wikipedia.Wikipedia