From PGtF Page 123
Gloves of Taarnham the Vigilant: This chainmail gauntlet allows the wielder to hurl any melee weapon he carries as though it had the throwing and returning special abilities. // Price: 10,000 g.p.
Combined with. . .
Complete Warrior Page 41:
I know there are other 'hurler' builds and threads already made, but I have come out of lurking to ask what the most hilarious thing you can think of with throwing and returning should be. Using the throwing trick from hulking hurler to 'really throw anything' up to your medium load and the warhulk's "uber" strength, the limit is really... about 58,752 lbs with a 61 strength half-centaur (for the quadruped bonus)... I'm sure there are threads where even more can be thrown but lets just say this is your limitation, now optimize humor for what is to be thrown.
I'd have to go with, an entire ship, thrown with a range increment of 10 feet, with improvised weapon damage scaling based on how many crewmembers are still on-board when its thrown, returning one round later just to be thrown again.
the runner up: a still moo-ing cow 'familiar' named 'beef' which (despite its awesome) is vastly too low on the weight limit to impress, but still hilariously comes back the next round, despite its will to run away (or inability from its crippling impact with the target.