A ball on a man that is slightly smaller than his other one. This is often true in the case of men with a small penis.
Lou... Thats a nice Lucky ball ya got there!
Usually referred to as a wife who has been around a long time.
A wife keeping you from doing other things.
Sorry can’t go to the bar tonight, my lucky ball and chain and I are having dinner at her parents place tonight.
Where you grab your balls and squeeze and if you're feeling extra lucky twist your nipples to gain a little extra luck when you're gambling
"Are you doing Lucky Balls right now?"
"Yeah bro I just put all my scrap on 20 and I'm doing Lucky balls."