flight of fancy
An idea which shows a lot of imagination but which is not practical or useful in real situations.
An unrealistic idea or fantastic notion, a pipe dream.
An unrealistic idea or fantastic notion, a pipe dream.
i had a flight of fancy of becoming a kickboxing star/ martial arts champion of the world and without thinking, decided to join kickboxing club. i got my face broken in ten places and three broken ribs the second week of practice.