(or for the fun of it)
In order to amuse oneself and not for any more serious purpose.
More example sentences
- I also see sport as being fun, and let's face it, the only reason that most people do sports is for fun.
- It was more for fun and people didn't take it seriously enough, so it didn't really work.
- This bug took him to Bosnia, where a local film crew playfully scooped up live mines and waved them around for fun.
Definition of for fun in:
- The British & World English dictionary