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.
"You spend a lot of time over at Steve's place. Is he your boyfriend?"

"Fuck no! He's just my shacky."
by jpatt February 6, 2005
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being shady and cocky at the same time.
dayemm foo, that guy is shacky
by m dizzle mark September 9, 2004
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Crappy, sucky situation, can be modified to shaktastic. Derived from Shack and it's corresponding crappyness
Man I had a shacky day
by Mariah January 9, 2004
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When, you get pulled over by the police, and end up in jail that night. It only takes one time!

or when you happen to pull a girl and get her in the shack sack for a lay back tap tap. also known as a one night stand.
example 1. hey man did you hear about Nasi? no what? He got shackie one timed, for not having the set tags! He also had that snap crackle and pop, in his trunk.

example 2. So what happend last night with you and that blondie? man you don't want to know. did you shackie one time that?
by Abtrainowtheeast January 13, 2011
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