To fiendishly shadow is to watch hentai for over 48 hours, and only stopping to eat. Frequent fiendish shadowers will often become fiends, and will normally be morbidly obese because of the nature of the activity.
Wow, fiend was actually fiendishly shadowing last week. I thought he was just sick, but he still smells like cum and pizza.
by CowCentralTootToot February 27, 2019

This out line of ur body on a bed sheet or on the floor from staying in one place and masturbating for too long while sweating.
Mark you should really jerk off in the shower instead of ur bed cause u have Satan's shadow going on right now and that's fucked.
by Boot in the hoof March 12, 2017

by r8dersjc January 8, 2014

1.Replaces the word Ninja to describe a real person who is a ninja but does not want to be criticized as a Platos Fagatos.
2. Hidden identity of a ninja.
2. Hidden identity of a ninja.
1. Sam is a Shadow Slinger because he did not want to sound like a Platos Fagatos, calling himself a ninja.
by Shadow Slinger February 23, 2010

1. A marking left along surfaces in Hiroshima of vaporised victims of the atomic bomb dropped in WWII. These were caused by thermonuclear radiation.
2. A derogatory term used to refer to a Japanese or vaguely Asian person. Can be a threat.
2. A derogatory term used to refer to a Japanese or vaguely Asian person. Can be a threat.
1. "The museum has a display showcasing Hiroshima Shadows."
2. "I swear if Long Long fucks up my order at Panda Express again, I'll turn her into a Hiroshima Shadow."
2. "I swear if Long Long fucks up my order at Panda Express again, I'll turn her into a Hiroshima Shadow."
by Stevennapalm January 8, 2017

That one savage kid in ur class who never really talks but is always downing the funniest sheeit and getting in trouble
by urfuckingsuperb November 9, 2016

The area beneath the bottom cheeks left white by a tanning machine due to the posture adopted by the sitter.
by aureliozen June 27, 2010
