Your step brother that has a big shlong, and walks into your room with his big whopping penis out. While step sister is wearing a short flannel skirt.
Step bro: *walks in with big shlong out*
Step sis: what are you doing step bro?
Step bro:-_-
Step sis: :O
Step sis: takes off clothes
Step bro: *sticks shlong in step sis*
by Shlong69 December 5, 2019
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a mfer who gets a boner no matter what his step sister does and does not understand consent.
My step bro got a bone as I was washing the dishes
by insatiable 2128 April 2, 2021
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Were the step sis and step bro have sexual intercourse not like alabama
by Fususuchdh October 28, 2019
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a brother that is not your actual brother.
Looks like she is stuck *sniffs air aggressively*
Step-bro! Im stuck
by Racoon14 March 21, 2021
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If u say that someone is your stepbrother it means you have a crush on them
Hey Jessica I think alex might be my step bro
by My dad is my dad September 30, 2020
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Your step bro becomes your boyfriend for a day
Step brooooo what are you doingggggg

Step bro day
by Ally wsg October 16, 2019
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