sideage 

the act of fooling around in a committed relationship

Hey, I think he is catching sideage from that stray at the bar.

Dude, I caught some sideage last night.

sideage by johnny ohio January 7, 2011

sireage

Sireage is being a biological father to children.

He was a man of great sireage and father of many children!

sireage by I, Wreckerrr December 3, 2020