A nickname for Citrus Heights, originating from the presence of a high number of "massage parlors" at which syphilis or other STD's may be contracted if one does not use caution.
Dude: "Yo, man, I just picked up a phat sack down by where your ex used to live!"
Friend: "Fer real? You down in Syphilis Heights?"
Dude: "Mos' def!"
Friend: "Fer real? You down in Syphilis Heights?"
Dude: "Mos' def!"
by introspectacle January 12, 2011