Top Definition
RLF stands for "Real Life Friend." This differentiates people you know in real life versus people you know via the internet.
I have been spending most of my time chatting with my AOL friends that I miss spending time with my RLFs.
by Jillian J. July 14, 2008
another lovely internet shorthand stands for "Run Like Fuck"
There after us we better rlf!
by Ezraic October 03, 2006
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