There actually is such thing as "fucking the gun", but it's a lot less interesting than this.

Essentially, you take either a cleaning rod or a stick that fits into your gun's barrel and place a condom on the end. You then put lube (or another liquid of the sort) and you shove it down the barrel.

Springfield being in two "generations" of this, always makes me smile...

EugeneStoner_Official said in comment #2602776:

There actually is such thing as "fucking the gun", but it's a lot less interesting than this.

Essentially, you take either a cleaning rod or a stick that fits into your gun's barrel and place a condom on the end. You then put lube (or another liquid of the sort) and you shove it down the barrel.

Is there a practical reason to this or is it a joke among the gun community?