to abuse and/or consume drugs
Nico Malorni is a big joneser
by Nico Malorni April 01, 2008
a person that needs, wants, and takes everything all the time.
He just borrowed twenty dollars, what a joneser.
by Will August 19, 2003
Also see Bum Drunk, One who will stop at nothing to render what ever he is "Jonesing" for.
Fucking Joneser was Jonesing last night, What a fucking fiend
by Dr. Know October 16, 2003
A person who is addicted to cocaine.
He used to be a joneser until he had to have his nose rebuilt.
by lizajane May 02, 2005