or rtfm

abbreviation Slang.

read the fucking manual (a euphemistic acronym used sarcastically in response to, or in reference to, someone asking for technical help): He won’t RTFM and then complains that he can’t get through to tech support.

Origin of RTFM

First recorded in 1975–80

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019