To make a joke based around a grudge, pertaining to a years-dead relationship, in clear knowledge that the only entertainment to be derived from the gag is from the target being utterly, mindnumblingly sick of the reference.
james: I called Jason "Planky" the other day!!
by deathboy December 21, 2005
A term used to describe someone who is fond of our plankton friends.
Andrea is a planky, Anne is also a planky. They enjoy lima beans and dried fruit.
by Crandall June 13, 2004