Possible Clues:

• Leading to disaster
• Much more than dire
• Leading to death
• Like a Windows error that generates the "blue screen of death"
• ___ Attraction
• Albert is so overweight it'll be the death of him
• To be so overweight may be the death of Albert
• Bringing ruin (to)
• Al was overweight, and that was the death of him
• Causing or leading up to death