Ironbob Roundshirt

This is one more shirt...is called Ironbob Roundshirt to the tune of spongebob squarepants themesong

Who lives in comfy nest in the Scienc Lab
THE ballbearings
Shiny and silver and sometimes rusty
THE ballbearings
If rusting in green tea is something you wish
THE ballbearings
So jump in green tea and start your rusting
THE ballbearings X5?