To possess a profound inability to withstand; or endure the company; or be in the presence of a meth-amphetamine user, more commonly known as a crackhead.
"Oh MY FUCKING GOD!"
"What up?"
"I've just been to the quacks to find out why I want to run every SECOND CUNT OVER & my test results have come back in"
"And?"
"I've tested positive for being Crak-tose intolerant"
"Yeah righto, that makes sense"