To wet a chair before someone unintentionally sits on it and gets a wet ass
That one chair at the back of the class that's covered in white liquid (probably jizz)
Hey man, go sit on the jizz chair
When you both are on a chair or in an upright position and you tell her you just wanna sit and wait. Then unexpectedly you thrust hard and fast lube not required.
My ass hole sure hurts after my husband gave me the secret rocking chair!
Person 1:why is there a chair on the wall?
Person 2: dude, it's a WALL CHAIR