I searched and couldn't find anything else about this.
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Required:
1. Plenty of Noggenfoggers
2. Druid and flight form
3. Patience
What you have to do is drink the noggenfogger until you get skeleton form, which can sometimes take awhile. Once you get that transform into either flying, swift flying, bear, dire bear, or cat form(Travel form hasn't worked for me.). Once you do that, take off the skeleton buff and you should either be flying(which looks awesome in swift flying form), or in cat or bear form without looking like it. You can't cast spells or else you'll shapeshift back to real caster if you have auto-dismount in flight. If you are in cat form, you can use any cat spell, and even stealth and shred, etc. If in bear form, you can feral charge, swipe, maul, etc. This is really fun but has no real use. Beware though on some private servers because you may get banned for doing glitches, and some people may think your a hacker. Also, I've only tested this on one private server.