to move very quickly

a bowl, or marijuana bud to smoke out of a bong.

an unstoppable force in the nba.

The high-tech residence of a humanoid who carries the desire to take over the world.

gut or belly-- usually very large in size

Shack can be used like slut or Ho'. similar to shacking up.

Shacks definition.. hmm.. I guess shack could possibly mean, thinking of the most retarded thing you could say.. then saying it wrong. Definitely sounds like "Shack".. Getting jacked and doing nothing about it because your a bitch also sounds like "Shack" shifty and stupid just about sums it up.