My wife cheated on me with my brother.
She didn't have a sister, so I improvised, and now all I have to do is wait nine months for one to come.
Sister Jokes
My little sister that is 10 is so ugly her hairline can't even be found by Dora the Explorer.
Sister, you're ugly.
Other sister: I'm not your reflection.
PS. Sorry if it is not funny.
I got a pen for my baby sister. Best trade I made so far.
For dinner, this girl had noodles. The next day, she could not find her skinny sister. The mom said, "Your sister is dead!" sadly. The girl asked, "She was skinny, right?" The mom said yes. The sister laughed, "I ate her! That’s why the noodles were very skinny!"
Dentist: Open up, sir.
Me: So... I hate my life, my family, my sisters, my dog, my cat, and I tried to take a bath with my toaster, but my dog took it. That's why I hate my dog. And my cat died trying to chew my rope; it choked... Yea.
Dentist: I... meant your mouth... so I can clean your teeth.
Me: :O Ohhhh, my bad.
Dentist: Do you need help??
Me: Yep.
Dentist: ...
Me: ....
My mom said my sister was an angel, but when I threw her out the window, she didn't fly.
Your sister is your mother.
Your father is your brother.
You all shag one another.
The Inbred family.
Why was six so scared of seven? Because seven ate nine.
My mum said take out the trash, so I took my sister.
My sister: You were born ugly.
Me: I'm not a mirror, sis.
My sister bet me $100 that it was impossible for me to build a working car out of spaghetti.
You should have seen her face as I drove pasta!
My sister told me only onions make you cry, so I always hit her back when she hit me, but I hit her with a shoe only to catch her cry.
Pick up lines.
"One fish, two fish, three fish, I’m breaking up with you, b*tch!"
"Hey there little mister, I’m dating your sister."
What happens if a redneck is bisexual? Do they go for their brother or sister?
Kylin fucks his sister.
My dad is now a milkman.
Now I have over 50 brothers and sisters.
Who's in my ass?
Your sister.
If your sister steps on your toe, what will you call it?
Sister: Wanna know the difference between your singing and your flute playing?
Me: Sure... (Expecting a completely different response than what I get.)
Sister: Nvm, they have no difference.
Me: *Confused*
Sister: They're both horrible.
