Gray Man 

Someone who can pass through a process, situation or event unnoticed, yet still leave a measurable or lasting effect.

Following the caucus no-one could adequately describe the Gray Man, yet the changes he wrought on the discussion was undeniable.

The Gray Man is like faith...

The substance of things hoped for, and the evidence of things unseen. - 1st Hebrews.

Gray Man by ipublius May 23, 2020

Gray Man 

Man who is always over shadowed by women or always the casual pick, but never boyfriend material.
(The middle man between boyfriends)

Mike: Yeah Kaeleigh said she wants to keep things casual.
Jack: That's three in a row.
Mike: I'm just a gray man for women.

Gray Man by JustHooded February 27, 2020

d.gray-man 

A great manga with a run in Weekly Jump. D.Gray-man is Hoshino Katsura's debut manga about an exorcist named Allen Walker and an organization known as the Black Priests who try to cleanse the world of the Akuma.

We just scanlated the eighteenth chapter of D.Gray-man for you fans.

d.gray-man by SuperShooter! January 23, 2005

d.gray-man 

a manga that is released monthly when the mangaka, Hoshino, doesn't catch a flu or break her hand.

This manga is not for those with weak hearts or minds. Side effects of reading this include hyperventilating, headaches, stomach pains, large increase in tear production, chronic nosebleeds, and loss of coordination.

that new d.gray-man chapter was great! i only cried once throughout the entire thing!

d.gray-man by The United States of Fangirls December 4, 2011

gray lady/gray man 

What you disgustedly see when viewing a profile or friendship-request for someone who either has cancelled his/her Tagged account or has not uploaded a photo, and so all that's there is a "generic" pale-sliver silhouette of a gal's or guy's head, with no facial-features or other identifying details at all.

I think that a lot of ghosts must be creating profiles on Tagged/hi5, since a lot of them merely have gray lady/gray man images, and the profiles "fade away and disappear" so readily and frequently.

gray lady/gray man by QuacksO May 17, 2019

man in the gray suit 

All varieties of sharks

Don't go surfing in the rain or you may get a visit from the man in the gray suit.

man in the gray suit by Clinton Michael October 19, 2006

Gray Mann 

the man to build robots to kill the mercs in tf2

Gray Mann built all those robots

Gray Mann by German dude August 1, 2018