Definitions by Doc Raymond

fun sponge 

Someone who has the ability to walk into a room and litteraly soak all of the fun out of it. Also known as a muzz.

"Nick was such a fun sponge, the moment he arrived the party died."

fun sponge by Doc Raymond October 10, 2003

Muzz 

A more direct method of referring to a fun sponge; someone who sucks the enjoyment out of any situation. Can also refer to the sucking sound of people's enjoyment leaving them.

"Damn that muzz Jeff; everytime he comes over no-one wants to stay."

Muzz by Doc Raymond October 10, 2003