maghanap ng salita, tulad ng plopping:
 
1.
If a man is married with a family, and has a child with another woman while still married. The bastard child is the the "side kid".
Autumn Jackson would be Bill Cosby's "side kid".
ayon kay Matt, Jeff, Chad ika-22 ng Setyembre, 2007
 
2.
Referring to children you've had outside your marriage with other women.
Got any side kids? Nah just the one with my wife
ayon kay Toolz ika-12 ng Setyembre, 2007