Butt Flaps 

Butt Flaps is the part of the butt that flaps all over the place, and it is also the thing that most white people don't have, but the thing that black girls do have.

Synonyms: Butt cheeks, Butt, Buns

Omg you saw Sabrina, she has no butt flaps.. Lmao she tight.

Butt Flaps by C1y2n3t4hia5 January 4, 2015

mud flaps

The human buttocks; specifically, the skin and muscle enclosing the anus. The body part that sandwiches residual fecal matter attached to the rectum, thus providing a buffer between one's undergarments.

My mud flaps felt like sandpaper, leading me to believe that I may not have adequately wiped myself.

mud flaps by Chocotacojewboy November 1, 2007

Mud Flaps

oversized, used anus.

She likes it in the ass so much, her ass looks like it has mud flaps.

Mud Flaps by Bumbomb.com May 4, 2003

shimmy my flaps 

to clean the cliterous

i got fucked last night and can you shimmy my flaps

shimmy my flaps by take a spoon and eat my ass April 10, 2004

Cunty Flaps 

The vaginal flaps of a women, usually seeping pus.

erghhhhhhhhhh look at your cunty flaps

Cunty Flaps by JAPPS FROGERS (aka jade and jen) December 10, 2007

Ninja Flaps 

The breast of a black woman, usually long and flat like pancakes or open wallets.

Bro did you see that bitches "ninja flaps", they were gross.

Ninja Flaps by phat_donkey October 21, 2008

Grow a pair of flaps

Telling someone to gather the confidence and strength to do something scary.

To have the strength and confidence of a vagina as opposed to ‘balls’ which are notoriously weak and sensitive.

To a friend: “come on, I know you’re freaking out about this but you’ve just got to grow a pair of flaps

Grow a pair of flaps by Reddish June 1, 2021