what are you doing step sis

When your step sis gets stuck in the laundry

*sweet home alabama playing*

Step-Bro: What are you doing step sis

*starts putting his shling slong ding dong into her ass, she looks up*

Stetp-Sis: *Screams*

*stepsis stands up and turns around*

Step-bro: Damn your ding dong shiling shlong*

When step sis gets stuck AGAIN, "what are you doing step sis"

by 979796758947 April 28, 2021

Naive step-sis

The best porno ever made where the chick is being "unknowingly" fucked by her step-brother she later reveals she knew but man is this a fire video.

Can also be used as a funny word to describe step siblings that you could "take advantage as"

Man cody has such a naive step-sister I could catch her slippin' at least 3 times a day.

by HornyJewFactory March 3, 2021

Skepsis

A brutal as fuck album of the deathcore/metal genre from the band Through The Eyes of The Dead.

Dude #1: Yo mang have you heard the new TTEOTD album Skepsis?

Dude #2: Na man is it tight?

Dude #3: Yeah son it's tig ol' bitties.

by AM-Unit January 28, 2010

Stepish Sister

The daughter of your dad's (or mom's) significant other.

When I visit my dad I stay in my stepish sister's room.

by Cowboy Pete August 22, 2010

Step sis

Something that teens jerk off to the night before an exam that hey end up falling asleep through and failing

Did u see that porn on ph

Yea, what are u doing step bro

Haha

Step sis was thicc

by J0hnny s1ns October 5, 2020

Step sis

A term used to say meaning, "I want to have a threesome with you and my dog".

Haiden: HAAAAY step sis

by Funnygirlincanada October 17, 2019

stepis

A common term used around most recently around South Florida but has spread to many other influential areas of the world. It refers to a person who, by law, is considered to be a step-sister; however often times thought of by one (or both parties) to be more of a true sister.

Guy 1: "Dawg why was you all up in that girl's face last nght?"
Guy 2: "it's totally cool bra, that's my stepis... we're like almost related by blood"

by doctorcameltoe October 22, 2010