As Della Reese once said in the 1996 Martin Lawrence classic of the same name, "It's a thin line between love and hate." Mackie the Boston Terrier clearly has some strong feeling about being tickled, but whether "Please sir, may I have another?" or "If you touch me again, I'm going to explode" is up for interpretation. Either way, it manifests itself with a series of delightful facial expressions the Mackie's owner caught on camera:

As a bonus, here's a video from the same YouTube user of a Boston Terrier (possibly Mackie?) saying "mama."

[via BuzzFeed]