Crackback 

When a melted puddle of crystal meth in the heated pipe cools down, returning to a solid state.

"Once the crystallized methamphetamine cools after being heated in/on a pipe/foil; it will crackback into a solid state of matter."

Crackback by LSDingo March 30, 2017

crackBack 

lower back problems due to injestion of crack cocaine, peruvian marching powder, bolivian addicto inflicto or any other form of cocaine.

Although Dano fell off a ladder putting up house decorations and was using enormous amounts of cocaine; he blamed his bad back on carrying a few books into a customers house telling everybody, "It couldn't be crackBack!"

crackBack by Dan Heien November 24, 2007

crackback 

Coca Cola's response to Pepsi Throwback. They're going back to their roots by putting cocaine in their Coca Cola.

Damn, this Coca Cola Crackback is good!

crackback by Senior Caesar April 6, 2010

crackback 

what happens to melted methamphetamine when it cools down and becomes a solid again

"damn, bro, that dope cracks back nice"

crackback by murdok July 28, 2003

Crackback 

When a person experiences a flashback to a time they were partying on drugs.

"Whoa, seeing that powder just gave me a crackback to that time we did a eight ball."

Crackback by ScrollThunder August 4, 2012

crackback 

A person born to a wetback and a cracker.

The crackback was conceived when Sally Jane had sex her gardener, Roberto.

crackback by Dirty American May 8, 2007

crackback 

Someone who has been on for a long time or is just currently on meth.

wow that dude look scary crackback.

crackback by jtizz420 December 27, 2008