Pillowcock
A man with such considerably sized genitalia, it appears as though he's attempting to hide a rather large pillow in his pants. Often a hot topic in workplaces with a considerably large female-male ratio.
Waitress: "Oh my god, look at James, he could knock a girl out with that thing."
Other Waitress: "Yeah, we'll just call him Pillowcock."
Other Waitress: "Yeah, we'll just call him Pillowcock."