Adjective.
1. Steak-like. In reference to Steak.
2. Generally a positive comment of approval or recognition.
Steaky is derived from the word steak. Steak being a tasty peice of meat of high quality. Things that are steaky thus possess steak-like qualities without actually having any implied reference to the meat.

When you eat dirt for the first time and leave your family to build a shack in the woods

The name of the steak that Stingray tosses so cruelly in the movie Undefeatable when his wife leaves him

Steaky is an adjective that defines a moist and welcoming vagina. To be "steaky" is not to be confused with being "slutty".

Meat-headed, but generally more intelligent. Someone who is extremely competitive, when it comes to athletics, drinking, and especially athletics while drinking. However, a steaky individual knows more about how to work out effectively, and is usually a harder worker, than someone who is simply a Meat-Head.

the other half of onions