Swift emotional movements of limbs and torso.
An unskilled tap dancer pushing her ungainly feet to exhaustion to the embarrasment of all.
by Jerome Nyssen July 7, 2005
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I'm feeling so completely spacked today
by Nukkels February 6, 2005
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To Spack upon Someone/something
*Nightro Spacks on Spackles*
by Det October 19, 2003
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The sound that a blast of cum makes when hitting a hard surface, such as a bathroom tile floor.
The spack of that hot guy's load on the bathroom floor startled him.
by Wordmaster B December 28, 2005
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The act of infiltrating comprised computers used to send spam and disabling the spamming facilities and or entire machine.
Along with some spammy SMTP headers and my sshd logs, I found a bunch of hosts for a spacking expedition.
by lagshot April 30, 2010
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Another word for someone who has mental dissablities, commonly used when in presence of somebody who has down syndrome and or when your friend has done something to your displeasure.

Related to the word "Spastic"
Hahaha, look at that spack over there

What the fuck are you doing bro? Are you a spack?
by WeedLordBonerHitler420 November 4, 2018
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