1. The sound a cat makes when coughing up a hairball; generalizes to any repeated coughing or wheezing
2. Also, to dilly-dally, procrastinate, meander, in a distracted way, not getting done what you are supposed to be doing.
1. Hey Ma, the dog is huckapucking again.
2. Well, don't huckapuck: grab him and let's take him to the vet.