The common cold when spread through sexual intercourse.
Dude, I didn't wear a mask while having sex with that chick last night...I think I might have got snyphillis.
by brayyyyyyyy March 18, 2010
-- a cold or sinus infection or even an allergy attack that one has as a direct result of making out with someone else.
I've been blowing my nose constantly ever since I made out with Jeff. I think he gave me snyphillis!
by Goldielox9999 November 09, 2010