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rude slang An initialism of "read the fucking manual," an exclamation of frustration and exasperation directed at someone who has asked a question or series of questions that have already been answered in the manual for something. Would you stop asking such boneheaded questions and just RTFM? I don't have time to hold your hand on every project we do. I don't understand how you could be having so many problems installing the software. RTFM, dude.
Read the fucking manual!and RTFM
exclam. & comp. abb. Simply read the manual and stop asking someone else to explain it to you! (Usually objectionable.) Why should I write you a how-to book? RTFM!