Best player-named weapon you've ever seen.

[Muffin Button]

I think I remember naming a bow in Skyrim 'Wilhelm Scream'.
I can't remember if it was a different bow or armour with damage resistance, but either way I named something 'Sniper, no sniping!'.

 

[VeryOddGamer]

I have a Daedric Longsword and Waraxe called "Regret" and "Torment" respectively.

Yes, I had played Planescape Torment shortly before naming them.

My names, incredibly generic? Never.