a person who is addicted to pens, will borrow your pen and not give it back. known to stop by the bank everday just to get the free pen.
"I can't believe you didn't get me any pens at that convention you went to? ....You know i'm a pen whore!
Someone who has a special affinity for pens.
A pen whore is a person who picks up any pens coworkers may have left unattended. Also known to follow company representatives to their vehicles in order to obtain more pens