"Partystarter" Rocket Launcher cracked me up.

I got the ghoul slayer's gamma gun, as well. Haven't tried it on any ferals yet, but I expect predictable results. Unless it heals them until they explode?

Yep. I just got one of those yesterday.

It dropped about an hour after I killed a Super Mutant, and received the awesome, world-destroying....

Powerful Board. (/gasp)

My personal favorite: Furious Power Fist