The name of your weapon.

[xXGeckoXx]

Since Fallout NV's This MAchine and This gun Would be the names for any rifles or pistols I may have.

But I would have a lance and call it Gawain.

 

[gundamrx101]

My two fists, Betsy and Super Fly

 

[moonlantern]

A jian(Chinese sword) named Feign.

 

[dancinginfernal]

A Remington 870 Shotgun named Charles and a Colt M1911 name Geoffrey.

EDIT: I finally got my avatar to work. SUCCESS.

 

[thenoblegaunt]

A rock, named , the rock in my hand.

 

[Kane Slavuta]

a basterd sword named "Heatblade"

 

[Ursus Buckler]

A Nodachi (or long-arse samurai sword) named Bernard.

 

[jhlip]

This is Tina, she is my battle axe and she doesn't like you very much.

 

[SmilingKitsune]

I just started a new character in Fable 3, it lets you name all your weapons and I chose to call my Hammer "The Weight of Ages".

 

[bubba145]

an M-1 Garand named Susana.

 

[cantgetaname]

I would use a sledge hammer and call it The Banhammer

 

[bl4ckh4wk64]

I've got a buddy who's has an Sr-25 that he gave the moniker "Vera."
As for me, I don't give weapons names. I mean, I do call my Ar-15 the moneypit, but that's because I've spent almost twice as much money on it as I originally planned on spending.

 

[ks1234]

I'm sure this one has been used already but...
BFG.

 

[sketch_zeppelin]

Geto-Mu

A rather beat up persian sword that doesn't look like much but will hand you your ass

 

[GeneWard]

A brown minigun called chocolate rain

 

[GrimTuesday]

I would have a war axe and a warhammer and they would be called snuggles and fluffy respectively.

 

[Leadfinger]

A greatsword named Walkin' Tall

 

[Scepter Uchiha]

A katana named Hinata and a hidden katana like what sasuke has named Amaturatsu or Susanoo

 

[Biodeamon]

I would have a gun that condenses all the dust particles in the air into dust bullets then fires them. It would be named "Dust Bunny"