snuff it

snuff it (third-person singular simple present snuffs it, present participle snuffing it, simple past and past participle snuffed it)

1. (euphemistic, colloquial) to die.

   That cat must have been twenty years old when he finally snuffed it.

   • 1975, Monty Python, Monty Python and the Holy Grail, Python (Monty) Pictures Limited

     Once the number three, being the third number, be reached, then lobbest thou thy Holy Hand Grenade of Antioch towards thy foe, who, being naughty in my sight, shall snuff it.

• See also Thesaurus:die

• stuffin'