A person who has smoked crack cocaine for many years, decades even. So much that they have made it a career to smoke rock. They are experts in the field of crack smoking.
That man who smoked crack for 20 years is so experienced that he's a crackologist.
by Tonton510 April 23, 2009
An individual highly skilled in the process of converting powder cocaine into crack ("cooking," "cheffing," roasting," etc.).
"Yo man, I don't need you to help me roast this powder. Don't you know I'm a crackologist in this?"
by J' Rock April 07, 2006