What is Crud Bud?
1.
The dirtiest, smelliest, or most pungent point on an individual's body at the time of reference, often a place of anatomical significance.. ie. belly button, arse cleft, nipple, advanced neck pimple, rotten toenail.
"I have a strange tingling in my crud bud.."
or
"Look buddy, i'm telling you this for your own good.. you've gotta do something about that crud bud of yours.."
See