Just for funzies 

A term used by teachers, specifically chemistry teachers, that signify the class will do something extra. Contrary to the name, it is usually hard, but keeps the students motivated!

*After finishing a stoichiometry problem*
Mrs. Callis: Let's do the next problem... just for funzies

Just for funzies by tryingmybest October 13, 2019

Just for funsies 

Just for fun.

I'm going to do this reading just for funsies.

Just for funsies by Ereck Flowers June 22, 2016