Coming up with a way to use "to come up with" can be easier than you might think. "He finally decided to come up with the cash he owed me." Hope that helps! Contact me if you would like to discuss this or some other English slang phrases.

'Come up with' means think of, invent or find, particularly when we are talking about ideas and inspiration. 'Whatever the problem is, Mike always manages to come up with the perfect solution'

It means also to think of an idea, answer etc. For example: He came up with a new idea.