[Trillian]

Red: Blood
Brown: Poop
White: Semen

That would make sense for the colors of a homosexual flag.

[dr_lew]

Well, you know ... all facts of life for any man, and of course two of these for any man or woman, or mammal, for that matter. I have often thought that poop represents the contingencies of thermodynamics, in the form of waste as a necessity. I guess thermodynamics doesn’t need a flag.

[Clearly Right]

I would just add black for morbidity.

[gundog]

Sounds like the antics color scheme.