Flu Screw 

When you really want to have sex with someone, but it's evident they have the flu; fever, chills, stuffy nose. While it should be a deterrent and you're putting your own immune system at risk, you do it anyway.

Joe was only here for one night, sick as a dog, but I had to go for the flu screw because last time we saw each other he made me cum 9 times.

Flu Screw by RRiveraLB January 2, 2017

Screw Flu 

(n.) A synonym for a sexually transmitted disease. Applies to any ailment contracted during intercourse, e.g. herpes, chlamydia, influenza, etc.

After homecoming, Deb had to go to the clinic; she caught a touch of the screw flu.

Screw Flu by Cap10 August 14, 2009

Salvadoran screaming monkey flu 

In native El Salvador there is many diseases, one of which is the infamous Salvadoran screaming monkey flu. It is known to induce rampant seminal discharge and hormone difficulties, it is estimated that one out of 6 people catch it at some point in their lifetime

I just got Salvadoran screaming monkey flu, darn

Salvadoran screaming monkey flu by Ayalanews89 August 31, 2019