look up any word, like hipster:
 
1.
In the context of an automotive forum, "Read the Fucking Owner's Manual"
Q: Should I use 5W30 or 20W50 in my engine?

A: RTFOM!
by RTFOM July 05, 2009
 
2.
Read the fucking online manual.
Dude, I have no time to explain this stuff to you. The manual is online. RTFOM.
by Yannick Semail January 07, 2007