Dickgirl
From lurkmore wiki
Dickgirls are girls with dicks. Stupid! Dickgirls are generally known as traps.
/d/ is for dickgirls
/d/ is for dickgirls is a mantra replied to threads regarding 4chan's /d/ board, which is the Hentai/Alternative board. It is not specifically for dickgirls, but that is a large portion of the posts.