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7.
RKO
Very poor copy of Diamond Dallas Page's Diamond Cutter. Frequently botched by it's user, Randy Orton.
Orton went for the RKO, tripped, and blew another spot. Again.
by Kain December 18, 2004
 
1.
RKO
Initials of WWE wrestler Randy Orton (Keith is his second name).
It is also his signature move.
"Orton won by the RKO."
by Tsuzuja March 21, 2004
 
2.
RKO
1)Initials of young WWE 3rd generation wrestler, Randy Keith Orton, son of wrestler Cowboy Bob Orton.

2)In relation to Randy, RKO also stands for his finishing move--the Randy Knock Out
Ex1-RKO, whose full name is Randy Keith Orton is a 3rd generation WWE star like fellow wrestler, The Rock.

Ex2-Randy returned to SmackDown by running out to the ring and giving his move the RKO to ensure the UnderTaker lost his match.
by LoganLesnarMarvel August 13, 2005
 
3.
RKO
Finishing Move of WWE wrestler Randy Orton
also the initials of his full name Randy Keith Orton
Randy Orton Just hit the RKO on wwe LEGEND The UNDERTAKER.
by Jordan F. November 20, 2005
 
4.
RKO
The initials of 3rd generation WWE Superstar Randy Keith Orton

Also the name of his finishing maneuver, a jumping cutter.
"Randy Orton picks up another victory with the RKO"
by juicemakesugar January 19, 2009
 
5.
RKO
the seemingly painless finisher used by Randy Orton that is supposedly very devastating
Triple H lay motionless for 5 minutes after Randy Orton hit him with a surprise RKO.
by heebyjeeby May 26, 2008
 
6.
RKO
Really Kinky Orgasm, as made popular by Dr Frankfurter in the cult classic Rocky Horror Picture Show. THe good doctors radio station.
Dr. Frank-n-furter broadcasts on RKO radio.
by Columbia July 28, 2005