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1.
A word used to describe a person with unusually apish characteristics/attributes (long forearms, calloused knuckles, awkward loitering around other people's conversations).

Also, used to describe a person who excels at hunter/gatherer endeavors (direct procurement of edible plants and animals form the wild, foraging and hunting).
Man that bitch stole the Simian's V-Card over the summer.

or

The Simian blew his hot steamy load over the crate of freshly imported Chiquita bananas.
by King Kong Jr. October 23, 2007
 
2.
Someone in the realms of about 5'9" - 6'0". Has a huge love for thunderous death metal and weighs roughly between 250lbs - 500lbs. They also love, and I mean *LOVE* proteins and red meat.
When at work, do not aggrivate the Simian. He will shit on your stomach.
by Bitchtits August 18, 2004
 
3.
The distant parents of the "Original Peoples".
by Anonymous August 22, 2003