Anal Salute

Blast the chair

Bottom blast

Break wind

Butt burp

Butt trumpet

Butt tuba

Buttock bassoon

Cut a stinker

Cut the cheese

Cut the wind

Drop a bomb

Flatulate

Float an air biscuit

Funky rollers

HUMrrhoids

Honk

Let a Beefer

Let one

Let each little bean be heard

Mating call of the barking spider

One-gun salute

Pass gas

Pass wind

Poot

Puff, the Magic Dragon!

Rebuild the ozone layer one poof at a time

Rectal honk

Rectal shout

Shoot the cannon

Singe the [noun] (e.g. carpet)

Step on a duck

The colonic calliope

The gluteal tuba

Toot your own horn

Trouser cough

Trouser trumpet

And there’s the one my ex-husband used to shout:

“Speak, O toothless one!”

Passing gas

don’t know others, except NOT euphemisms

“cutting a rose.”

If you had known my grandmother, you would realize how absolutely hilarious that was!