What you ask when your step bro is doing something he’s not supposed to.
Step Sis: “HELP! I’M STUCK”
Step Bro walks in.
Step Sis feels something.
Step Sis: “What Are You Doing Step Bro?”
by DaddyMints July 22, 2020
Get the What Are You Doing Step Bro? mug.
used for when your step bro stands in the middle of your room with his phone and his dick out.
what are you doing step bro? get out of my room!“

“uh, i was just trying to find the toilet..“
by minecraftgal October 28, 2019
Get the what are you doing step bro? mug.
The most handsome man in the world with a 50inch dick and gets all of the women, also has a nicely shaped ass which is what gets all of the women. Also knows a annoying kid named Lewis.
Yo that milo (Liam’s step bro)
by Someone8267368 December 2, 2022
Get the Milo (Liam’s step bro) mug.
Here goes.

Today im going to be acting out my favorite movie scene.

*turns around*
what are you doing step bro?!?

(starts the porno)
girl: What are you doing step bro?!?!
step bro: really?
by oooyeetskrrr March 27, 2019
Get the what are you doing step bro?!? mug.
The thing you hear your step sis say when she’s stuck in the washer. Expect to hear SWEET HOME ALABAMBA! in the next few seconds then your virginity will be gone forever. Also expect to be on p0rnhub and other p0rn apps
your FBI agent seen enough when he heard WHAT ARE YOU DOING STEP BRO!?
by THErealCOOCIEman March 1, 2021
Get the What are you doing step bro!? mug.
The use or photosynthesis in the male human body to measure the amounts of testosterone in the air then times by x and then you get the declaration of independence and use flex tape and he will give you the answer of x₩¥●♡• 20÷*)*
donald trump is trapped in the basement JOE BIDEN YELLS "WHAT ARE YOU DOING STEP BRO?"
by Step Dog November 17, 2020
Get the what are you doing step bro? mug.