The region between the balls and the arse-hole; can be an erogenous zone for some.
Girl: 'I was fingering that part between his balls and his arse and there was shit there.'
Everyone listening remained silent but later laughed among themselves:
'Eww! He had a shitty chad.'
When you measure your dick, don't start at the arse-hole and include the chad; you risk getting shit on your measuring tape.
Someone who talks down to others because they believe they are more intelligent and are attractive to girls than other men. Chads tend to get all of the insecure girls due to his constant spewing of his accomplishments in life. Chads often hang out with other chads at social events or hop around from girl to girl. Chads never miss a chance to ask a hot girl on a date.
Dude, what happened to Trevor? He used to be such a homie but now he hangs out with all the chads