To check out the top of the opposite sex for an extended duration. Acronym Still Evaluating Full Frontal.
Try not to seff too much, some gals don't like getting seffed.
by Ninja in the Disco July 11, 2008
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-I- am Seff. Seff the Wolf. If you did your research you know that Seff means wolf in Hindu or some crap like that, so when you think about it, im Wolf the Wolf.... wow amazing ^.^
by Seff the Wolf August 31, 2004
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The Yiffyest fur you've ever seen, he currently spends all day on AIM and he will not tell you his AIM name, becuase hes cool like that. He also spends all day browsing peer networks. What for? I don't know.
by Seff June 13, 2004
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Synonymous with Honest Seff. Born in Massachusetts, raised in West Chicago, and currently living in North Carolina. Seff the great is an up-and-coming celebrity and one of the most honest people you will ever meet. Seff is known for his unique personality in that he can befriend almost anyone, with his brutaly honest and down to earthness. His real name is Seth Phenix McCoy and goes by other aliases such as Honest Seff, Crack, and Whore.

Note-always spell seff the great in all lowercase letters
Person 1: I heard that seff the great was coming in to visit Wheaton, Illinois next month.
Person 2: For real?!?! Everyone loves seff!
by I hate abodi December 3, 2021
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A amazing and loving friend that will make you laugh and smile
Seff is hot
by friediz October 16, 2021
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