bungle

Example:She botched the presentation by forgetting the key points.

Definition:To handle or do badly or carelessly.

Example:The engineer flubbed up the blueprint, which caused a major technical issue.

Definition:To make a mistake or blunder, especially in performing a job.

Example:He really messed up the interview by showing up late and being unprepared.

Definition:To make a mess of something, to bungle or handle poorly.