a noun derived from the verb [shack] (see defintion 1 and 4)
a shacky is never taken seriously. he or she is someone that you mess around with frequently, but feel no emotional ties to. a shacky may begin to act as your significant other and may even buy you dinner, but shackys can never ascend to the level of boyfriend/girlfriend. never. they are you shacky, and you keep them in their place.
being shady and cocky at the same time.
Crappy, sucky situation, can be modified to shaktastic. Derived from Shack and its corresponding crappyness
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