stepdog 

A dog you share custody of, and take care of when their real owners are busy

Me: Yo, wanna come smoke dank skank with us after playing DnD?
Stepowner: Nah, man have to visit my stepdog my brother visits at the neighbours after his best friend broke up and moved to Guatemala.

stepdog by Young Hopeful February 23, 2018

The Stepdog 

Walking in on you stepdad banging your mom doggystyle.

I can't believe I just witnessed the stepdog.

The Stepdog by LHZanzabar May 12, 2012

Step dog 

When the primary owner and carer of a dog prior to marriage, marries another individual, the dog becomes a step dog to the other individual.

"When me and Andrew got married, his dogs became my step dogs"

Step dog by MMSPICE83 April 2, 2015

shepdog 

a buddy who always borrows money and is a closet homosexual

pat loves me and never pays me back, his new name is shepdog

shepdog by niko stav November 25, 2006

shepdog 

a buddy who always borrows money and is a closet homosexual

pat loves me and never pays me back, his new name is shepdog

shepdog by niko stav November 24, 2006

Step dog 

When your step bro is a dog and y’all tryna fuck

What are you doing, step dog?!

Step dog by Lug Nut <3 March 13, 2019

Step dog 

When the primary owner and carer of a dog prior to marriage, marries another individual, the dog becomes a step dog to the other individual.

"When me and Andrew got married, his dogs became my step dogs"

Step dog by MMSPICE83 April 2, 2015