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A particularly harsh referee for a gaming server. Will boot you for simple things, such as him stepping on one of your mines, or being too good with a panzer for his liking. He can be perfectly ok, but goes off his rocker at the slightest thing.

You can tell a xamm for his use of the word "Clusterfucks"
Someone: "We made a perfectly honest mistake and meant you no harm, lets try and re-organise things."

A xamm: Oh get lost you fuck head
by Eddie February 01, 2005
The Alpha and the Omega of being a right vicious bastard. Will insult you for being stupid, ugly, annoying or just plain existing. Is often found to be crude, offensive, foul mouthed and just a plain bastard. He isn't a mile wide chavboy (note the lack of an e you REMF, learn to fucing spell before you go insulting me....err...xamm)or a lamer of Shit. He is most definetly however a spewer of filth.

But (and this is a big but although not as large as fatbob's ¬_¬) if you get t oknow him, he's an laright guy. Piss him off though and he'll rip the shit out of you.
xamm, please cave my face in with a brick.

Not now Tim, I'm busy slaughtering your family.

You....you....xamm !!!!!!!
by xamm January 31, 2005
A person who can construct vile lanuages.
A popular catchpharse is "You bunch of fucking clusterfucks"
by ET Slapper February 01, 2005
A really nice person, cool
Buys people drinks all the time
Your such a utter fucking xamm
by pcgamer January 01, 2005