Alternate way of saying Ridiculous, its like how a child would pronounce it and can be used in a situation to purposefully make yourself sound stupid/immature to get some point across.......or just to annoy someone
1 - Timmy O Toole: Shit I just got taxed to the fuckin BALLS
When something about a male is so ridiculous that it enters the realm of dickdiculous. Originally used strictly for describing the male genitalia, the term has moved on to describe any feat of male ingenuity/prowess/accomplishment/girth.
Oh man, dude, that hit you just took was dickdiculous!
or
The other day, I accidentally caught a glimpse of Oren's cock in the locker room. Dude...dickdiculous!