Can be defined as, "horny". Fawnism is when you get so horny it hurts, and that the need for action to satisfy that horniness is overwhelming. Otherwise known as, freaky in the sheets, wild in the streets.
"My fawnism is overwhelming me"
"I heard that they have a real case of fawnism in the bed."
The central doctrine of homosexuality; the idea that homosexuality is the only morally just way of life and should be propagated to the entire populace with refusal leading to death.