One who metaphorically and willingly receives dicks. Synonymous to "pussy", but somebody who is obnoxiously proud of it.
John: Ah man, Steve just beat my high score on Word Finder, so I kicked him in the nuts and then ran like hell!
Bob: Dude, you're such a dckpan.
Bob: Dude, you're such a dckpan.
by pants91 November 11, 2009