Acronyms dictionary LLF What does LLF mean? LLF is a texting acronym that means laughing like fuck. Related words: CTFU ROTF LMFAO Examples of LLF can’t take my stepdad anywhere llf😭😭😭 @millimorrison_x, May, 2018 Person 1: honestly i thought that baby was going to punch her Person 2: LLF she would have deserved it :D Person 1: i just got kicked out Person 2: why? Person 1: b/c i was LLF and couldn't stop! SEE MORE EXAMPLES Just Added bystander effect, CSI effect, Streisand effect, L + ratio, docufiction Note This is not meant to be a formal definition of LLF like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of LLF that will help our users expand their word mastery.