Top Definition
A set of intense, flu-like symptoms that appear in someone who has recently contracted HIV ("seroconverted"). The "flu" usually sets in about 10-14 days after the initial infection, during which a person's HIV viral load is extremely high (and, thus, so is her ability to pass the virus on).
After a wild weekend of partying and having unsafe sex, Dave started to feel weak; he hoped it wasn't the fuck flu.
by J.P. McFarf July 30, 2008
HIV or AIDS contracted from male to male intercourse.
DId you hear Sam didn't have the bird flu, he was barebacking and got the fuck flu.
by gunstrooper March 03, 2007
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