Yes please, a joke weapon line (maybe as an event or for MGP) would be great.
Some ideas:

PLD: Plate and Spoon
WAR: Baseball Bat
DRK:
GNB: Nerf Gun

WHM: Lamp
SCH: Colouring book
AST: Snowglobe
SGE:

MNK: Boxing Gloves
DRG: Mop
NIN: Screwdrivers
SAM:
RPR:

BRD: Toy bow with sticky arrows
MCH: Water Pistol
DNC: Frisbees

BLM: Broom
SMN: Pop-up book
RDM: Umbrella

BLU: Fork