1. Residue of faecal matter; usually situated between arse cheeks after incomplete wiping and can spread to balls.

The smell of chad emanates further and becomes more putrid the riper it gets; annoying all those in close proximity, while the chaded person is often oblivious to their wafting odour. Left unattended the chad will become skid marks.

2. In reference to the male anatomy, it is the space between the anus and the scrotal sac.

The etymology is uncertain as to which definition came first and it's likely the term bifurcated into both definitions after those with chad on their chad created the ambiguity.

i.e. One person telling another the smell of his chad was verging on offensive. Some of those overhearing the complaint went away assuming chad to mean the first definition above, while others assumed it was the second definition.

Differentiation between the two is determined by how chad is used in a sentence.

The girl's first sentence below is rather ambiguous, while it's obvious the guy is referring to his itchy chad (anatomy).

The guy's last sentence below uses both definitions to beautiful effect, respectively.

Both definitions spread like wildfire equally and preference of one definition over the other can be regional.

Globally, most places accept both definitions and the local translation of the English name Chad, all in lower case, is used in many instances. i.e. the term is tsjaad in Dutch, čad in Croatian, csád in Hungarian, etc.
Girl: Phew dude! I can smell your chad from here.

Guy: My chad is so damn itchy too!

Girl: Did you wipe properly?

Guy: Yeah, excuse me while I go wipe again. I've had 4 coffees, a fruit salad for lunch, a spicy dinner and after taking that dump an hour ago; I can now feel a smear of oily chad itching me between my arse cheeks; some must've oozed out onto my chad.

Girl: Dude! too much info!
by Chad the gooch July 5, 2019
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In reference to the male anatomy, it is the space between the anus and the scrotal sac.
Guy: Argh... my chad is so damn itchy!
Girl: Dude! too much info!
by teamchad4life May 17, 2007
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The sticky build up found between the scrotum and arse.

Build up increases when the person doesn't shower or has had a hot sweaty day.

Person 1: Yo Yotty, take a whiff of this.
Person 2: Damn! What the hell is that on your fingers.
Person 1: I haven't showered in days and that's some of the wicked chad I'm brewing from underneath my fat ball sack.
Damn dude, have a shower I can smell your chad
by Yottyboy May 6, 2020
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excrement that comes form the butthole
Your mom likes it when I drop a chad on her chest
by BSizzle April 27, 2006
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a huge, almost cyst like pimple on one's face, so large that it deserves it's own name; is usually in a very unsightly spot, such as chin, cheek, or between the eyes
Check out that huge chad on nic's face!
by emillzzz23 February 24, 2009
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Mmmm, this chad tastes darn god on my pizza.
by Cheese McGee October 24, 2008
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