bumflap 

It's underwear. Is there anything else to know?

I lost my bumflap, where could it be!

bumflap by He who likes Bukkake February 2, 2005

bum flap

It is a piece of fabric about 13x13 hanging from the waist covering the butt (the front/sides)sometimes with d-rings, usually plaid or pinstripe, mostly worn by the punk community.

Girl 1: Woah, that bum flap goes great with his bondage pants

Girl 2: ... no bitch.

bum flap by LynchingNemo January 22, 2008

bunflapper 

An extraordinarily loud and resonant release of gas.

Was that a big diesel rig downshifting on the highway or did grampa just shit his Depends?

bunflapper by Leon Sphincts August 29, 2003

BumFapper

Bum - The obvious, ass, fanny (If you're american)

Fapper - Tossing off
BumFapper
Do the maths

Avalon Audrey: "Wow Chelly, isn't Jonjo the biggest bumfapper you've ever seen in your life?"

Chelsey Amelia: "He is indeed Avie!"

BumFapper by bumfappers annonymous August 2, 2009

Clitty Bum Flap 

A piece of string that goes from the buttocks to the clit. It is nailed in both ends used as a fashion accessory.

Can I see your clitty bum flap?
Who nailed your clitty bum flap?
That's such a cool clitty bum flap!

Clitty Bum Flap by d0ugie29 August 17, 2016

Bumflaps 

When an arse is so emmense that the cheeks turn into flaps. Can be used as a negative term.

Description

Jeff: Damn that girls so huge shes got bumflaps!

Negative

Jim: you missed the strippers and free beer.
Pete: oh bumflaps.

Bumflaps by DazCorp February 28, 2005

Bumfluptuous 

To be pleasing. To be seen and cause pleasure. To be pretty.

The woman's tits were very bumfluptuous.

Michael Jordan's jump shot is the defintion of bumfluptuous.

Bumfluptuous by Daniel October 13, 2004