What is something came up meaning?

The phrase "something came up" is used to imply that a problem or unexpected circumstance has appeared. This term is often used as a way of excusing oneself from a scheduled commitment, as the individual is unable to fulfill their obligation due to the unforeseen issue. The phrase may also be used to signify that a situation has arisen, which warrants immediate attention. In most cases, the speaker uses this phrase in a vague manner to avoid discussing the matter in more detail, often due to the sensitive nature of the issue. As such, the phrase has come to be associated with evasiveness, although it may also be used in a genuine and straightforward manner.