Movie from late 80s or early 90s about a family of tall thin aliens with protruding bellies. I remember a scene where there in a grocery store and kind of trash it. I think one might get kind of drunk on pop.They are traveling either in a van/motor home. People say its mac and me but I can't find anything about these scenes on that movie without buying the movie.Thanks

You can view the grocery store scene from Mac and Me here: YouTube it starts around 6:50.

Thank you very much.