Skip to main content
Noun: A derogatory term used to describe someone who is so retarded that they were likely conceived as an atrociously tragic accident through penetrative bumsex.
Bill: Did you see Ali on Friday night acting like a complete donkey?
Ted: Yes! She's such a fucking bumbaby.
Bill: Dude. Sweet call.

Buttbaby 

A person conceived via anal sex as opposed to vaginal sex that is as a result hideously disfigured to the point of heinousness.
Phil is a buttbaby and he therefore is fucked up looking.
Buttbaby by Tim November 3, 2004

ButtBaby 

A ButtBabyy is any child that results from semen seeping into the vagina after anal sex. ButtBaby's can be prevented by using a condom, birth control pills, other contraceptives, and by simply not engaging in anal sex.
Father:"Son, now that your 16, its time we tell you that you werent planned, you were a ButtBaby."

Son:"Thats okay, becuase my girlfreind is pregnent with a ButtBaby."
ButtBaby by Dr.Awz-some August 5, 2010

But baby...it's shark week! 

The perfect excuse to get your significant other to do something. Like let you put it in her butt.
Suzie: I've told you a thousand times, no! You cannot put it in my butt!
John: But baby...it's shark week!
Suzie: *sigh* I'll get the lube.
the most amazing combination of two last names ever combined in the history of this universe!!!!
"It is so buttaby time!!"
buttaby by Miss Red December 29, 2007

Buttbaby 

When a woman and a butt have a baby that's a butt
Emma your buttbaby sister is here
Buttbaby by Emkuda December 9, 2018