Common to words such as tre deuce being a .32, deuce deuce being a .22.
But I can't see who he's shootin it out with
But Denaun's right behind him squeezin his four fifth"
-Eminem (one shot 2 shot)
an urban or slang term used to describe a .45 caliber pistol.
origin: southeastern Virginia (Virginia Beach/Norfolk), Newport News
or that four-fifth guaranteed to lean ya, man, whoa" - Malice of the Clipse, on Baby's "What Happened To That Boy"