Make (something) up as (one) goes (along) spoken language verb phrase
Used to describe the action of doing something without prior planning or thought.
Your presentation was great though I knew you forgot the last part and just made it up as you went along.
You can't make up data as you go along, try to find real statistics to complete your report.
I didn't really know how to play that song, so I just made it up as I went along.
I completely forgot the second half of the speech, so I just made it up as I went along.
To say or produce something at discretion, without having thought or considered about it
To entirely fabricate or invent something; to infer something based on little or no genuine evidence, facts, information, etc.
To do something challenging without having a set plan.
The verb should be conjugated with its tense.
To argue with somebody
I do not want to bandy words with you about those trivial things.