1 definition by realgamer445

SEF is an acronym for the term “suicidal emo fag.” It is derogatory in nature and is used by insecure males on Omegle. Usually used by those with lower IQs.
Person 1: *insults Person 2’s character*
Person 2: You SEF!
by realgamer445 July 25, 2020
Get the SEF mug.