-(kræk-əˈtæk)-

The Phsycological and physical experience of "over doing it" or over dosing on a synthetic cannaboid or similar synthetic compound. The term was invented after an experince resulting in -
*vivid intense unstoppable hallucinations, both audio and visual.
*rapid heart beat.
*extreme anxiety and fear of death.
*difficulty with motor functions including eye movement and arms.

-and many more symptoms, all felling as if in his own hell. The one responsible for creating the word quickly became addicted to JWH compounds and related blends ,Thus referring to the white or off-white powder that he free based as, "crack" and the feeling of overdosing as a, "crack attack".

LONG STORY SHORT-people in a wide area began to use the term crack attack when synthetic cannaboids or similar blend commonly made users have an experience similar to a sever anxiety attack during a nightmare,usually due to an improper dose.

When a basehead goes through withdrawal and loses his or her shit.

Extreme itch/burn in your ass crack, often occurring after taking a shit and not wiping properly.

the execution of a sneak attack on an unsuspecting individual using primarily your ass, preferably in a smearing motion.

When your underwear are riding up your butt!

Usually an attack from someone who suffers from Tourette syndrome and hasn't been or does not want to be diagnosed.