RKO 

Randy Orton's signature move.

RANDY ORTON SLITHERING LIKE THE SNAKE HE IS.
WATCH OUT! WATCH OUT! WATCH OUT!
RKO OUT OF NO WHERE!

RKO by AZUCUS March 14, 2016

RKO 

Initials of WWE wrestler Randy Orton (Keith is his second name).
It is also his signature move.

"Orton won by the RKO."

RKO by Tsuzuja March 21, 2004

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"

RKO by juicemakesugar January 19, 2009

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.

RKO by LoganLesnarMarvel September 5, 2005

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.

RKO by Jordan F. December 28, 2005

RKO 

When you are having sexual intercourse and cum in her without warning or in other words, "from outta no where!"

I was having sex with my girl and RKO'd her from outta no where.

RKO by Darude Sandstorm January 31, 2015

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.

RKO by heebyjeeby May 26, 2008