"Upping and die" is a colloquial phrase that refers to the sudden and unexpected death of someone. The phrase is often used to describe a person's death due to a heart attack, stroke, or other medical condition. Synonyms for this phrase may include passing away, departing, or taking one's last breath. Other synonyms can include kicking the bucket, giving up the ghost, or crossing over. Additionally, some people may refer to dying as "meeting their maker," "going to the other side," or "passing into the great beyond." Regardless of the chosen vocabulary, the loss of a loved one is always a difficult experience that requires time and support to process.