Weak analogy. You can stuff your pie-hole (or is it ice cream-hole?) with all the full-fat ice cream that you'd like, and it will never clog your neighbor's arteries. Better analogy: your right to swing your arms ends where my nose begins. I do, however, find the toilet reference perfectly compatible with your message.
And when will people like you manage to come up with a more novel excuse than "it's a free country" to justify your crass, self-indulgent, anti-social behavior?
And why limit yourself to only one flush when you can have this much fun: