A muir is a viscious and mean spirited being who is often homo-satanic.
It is said that if a Muir looks at you in the eyes and sings Stairway to Heaven backwards you freeze and become a little lost sheep of his own creation.
Or if a mean gremlin is attacking you for food say ' Get away you big green MUIR!!!
1. A military term describing someone who is grossly overweight, utter disgrace to the uniform which he wears, and in no way resembles a professional Soldier.
2. The art of malignering to such an extent that one could get out of many things yet there is absolutely nothing wrong with said person.
3. The ability to spin such a wild yarn that would fill even Jim Henson and Steven Spielberg with envy wishing they had such fictional talent. (see Bullshit)
Man, the 1SG has gained a lot of weight. He's starting to look like a muir.
BOOOOOOOOM! Did you hear that story? What a fuckin muir.