Having a badonkadonk, but the entire body is thick and curvy. Can also mean "built for comfort, not built for speed". A bachunkachunk is not necessarily a bad thing depending on perception of the beholder.
1) Not as initially enjoyable as a badunkadunk and often requiring two 40's of King Cobra to fully appreciate.
2) The excess baggage your wing man gets as you go for the fine lady across the room with the chugly friend.
Friend 1: "Look at that chugly chick with the badunkachunk over there. She's disgusting!"
Friend 2: "Well, drink up, bud. She's yours tonight 'cuz I'm goin' for her fine lady-friend."
Having a badonkadonk, but the entire body is thick and curvy. Can also mean "built for comfort, not built for speed". A bachunkachunk is not necessarily a bad thing depending on perception of the beholder.