a state of mind where the affected is unnaturally unaware of his surroundings
... usually after several cones
people under the influence of muzz are likely to trip, break things or generally fuck up the simplest of tasks
"dude, i am so muzzed"
"I'm just muzzing out"
*in exsaperated tone* "Muuuuuuuuuuzzzzzzzzzzz"
"Ramwell, stop muzzing out -- you left my house unlocked and two bongs on my parents kitchen table"
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."