look up any word, like darude - sandstorm:
 
9.
DSF
(Damned Summer Flu) A virus you get during the season of Summer.
She has a fever, she must have DSF.
by Emily Humpernickle August 22, 2010
 
10.
DSF
Drunken Step-Father
I gor beat up by my DSF!
by MickC September 18, 2008
 
11.
dsf
Down Syndrome Face. A person with an extremely ugly face resembling that of someone with down syndrome.
God that girl is ugly, she has a bad dsf.
by Kipp77 December 25, 2007