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1.
The act of having sex with someone's colostomy hole.
As I was cleaning out my colostomy hole he snuck up slid his pecker in my sidedoor.
by mardijayne March 04, 2009
 
2.
to discretely exit a social situation, leaving the remaining participants confused as to your wherebouts.
man, where the hell is dave? he must have pulled a side door.
yeah man, the guy's girlfriend was stressing me out so i side doored.
by lewmoz October 26, 2007