G.R.O.S.S. is a club Calvin and Hobbes made, which stands for Get Rid Of Slimy girlS. And in this section, we have a whole bunch of stuff about it!
Passwords and Songs

Minutes

G.R.O.S.S. In Other Languages

Get Your Own Top Secret G.R.O.S.S. Name:
Type in your name in the text box above, and then find out what your G.R.O.S.S. name is!
Page: G.R.O.S.S. >> Go back home
THE Calvin and Hobbes site
Not as good, but still decent
The best info on illegal merchandise
So fun, it's secret
Don't just READ strips, MAKE some!
Now with extra Chocolate Frosted Sugar Bombs
1