Kick the bucket
Definition 1 of 1
Pro Tip 1/3Colloquial Expression
Used in informal settings among friends or in humorous contexts. 
At this age, I’m going to parties, not ready to kick the bucket.
Pro Tip 2/3Avoid with Strangers
Not suitable when talking to strangers, as death can be a sensitive topic. 
I'd never tell someone I just met that my pet might kick the bucket soon.
Pro Tip 3/3Euphemism for Death
Lightens the conversation about death by using humor rather than being direct. 
His cat lived a long life before it kicked the bucket.