When you have reached this stage of gay, there is no turning back. You will die in about a month if this diagnosis is given to you.
Initially the only cure for Big Gay is receiving the treatment of "Big Secks" from a girl, however at the point the disease become "terminal" it has already ravaged your body, which will lead to imminent death of the patient.
At this time Scientists in the field of Memeology have searched for a possible cure, but their efforts are fruitless. They recommend for women to "Provide intercourse regularly to your partner, otherwise he may fall to the disease that has killed so many others.
Person 1: "I heard Johnny was diagnosed with Terminal Gay."
Person 2 (female): "If only I had provided him with the cure before It became too late..."
Person 1: "Yep, it's your fault he's gonna die in about a Month"
I don't buy the schmegegge about Morty sleeping with Moira.
His version of the story was pure schmegegge.
The whole schmegegge was made up to get Liz a little bit of attention.
Looking or experiencing something nice after witnessing something horrid like a disgusting gif or a disturbing video. Typically used as eye bleach are nice images of whatever makes the disturbed person happy.