a tommy [gun]

Famous 30's machine gun, originally designed for use in WWI but never saw active service. Instead it became a favourite of gangsters from NY to Chicago. Most movies of the time feature its distinctive round under-barrel magazine.

My tommy's gonna make their heaters look like slingshots.

by richard sullivan December 11, 2003

got with a certain tommy gun

did something interesting recently

I hear you got with a certain tommy gun

by theladette November 3, 2013