What does EFF mean?

Fuck



Other definitions of EFF:

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How to use the term EFF:

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More slang terms:

UTFSE

UTFSE

use the f**king search engine

FLBP

FLBP

Future Lower Back Problems

SWDYRTW

SWDYRTW

Since When Do You Rule The Web

ROBL

ROBL

Rolling on back laughing