Usually in reference to gay porn, but can be applied to any sexual act which involves the person being penetrated bleeding from the penetration.
Oh my god Robb! I found this really hot red chair porno last night, starring Kevin Warhol as the top!
A chair that is the color red
Hey let me masterbate in that red chair
The act of masterbating in a red chair.
John: I was red chairing till 3am last night
Lisa: I was to
The great chair that the incredible Milescraft 01 sat on
HOLY SHIT IS THAT A DXRacer red and black chair!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!