What is Red Rum?
1.
murder spelled backwards, normally written on a wall in murder scenes, also red rum is blood
dumbass: whats red rum?
smart person: its the backwards spelling of what im gonna do to you!
See
2.
Murder spelled backwards.
Red Rum is what was wrote in the wall in blood at the murder scene
See
3.
A combination of heroin and alcohol.
Former touring Smashing Pumpkins keyboardist Jonathan Melvoin died of an accidental overdose of heroin and alcohol, sometimes referred to as "red rum".
See
4.
Yes all of those are right but the sexual term is when you are having anal so hard that you cause her asshole to bleed and as you pull out you cum onto the now red asshole. You mix it all together with your dick making a reddish mixture. For an added bonus you take a cup and gather the liquid and offer it to her as 'red rum'.
"Dude, can you believe it! Your mom actually drunk the red rum!"
"Shannon wouldn't drink the red rum, so I poured it all over her face."
See