Flush & Fly

When you don't have enough time to unclogg the toilet before you have to pee so when you flush you leave immediately and wash your hands in the kitchen sink

My friend had to pull a Flush & Fly before he got the his hazmat suit on to reenter the "battlezone"

Two flys smashed

You have no worth or your worthless

Man dat boy ain’t worth two flys smashed

Or

Man q ain’t worth two flys smashed

Fly-Eyed Gonzo

The look attained when squeezing tight the male scrotum in the bath so the balls look like flies eyes above the penis, which resembles the nose of the muppet named Gonzo

"Your genitals look like a fly-eyed gonzo"

when bison fly

An alternative to da classic "bacon-'n'-spareribs"-worded facetious phrase meaning, "never".

If Duke da Golden Retriever had asked Jay Bush to agree dat he could reveal da secret family recipe "when bison fly" instead of da snout-and-curly-tail-equipped animal stipulated in da ad, perhaps Duke could have just gone out and bought a box of buffalo wings to show to Jay, and thus saved himself da trouble of outfitting said wild-boar ancestor wif a glider-body and motorized propeller.
Yeah, yeah, I know --- a BISON and BUFFALO are technically two different animals --- give me a little artistic license here, okay???

flying carpet trick

When consuming too much of particular substances containing high quantities of dried out weed or cannabis the person feels like on a flying carpet...
Also the victim may be turned on...

ME : I'm warning you, the flying carpet trick is not for home practise...
YOU : relax I know what I'm doing...
(next day)
YOU : hay man, why didn't you tell me that you could fall on the ground...?

Flying Guillotine

A term for throwing kitchen knives to people.

"Jackie Chan's in the kitchen. There will be a lot of flying guillotines in this scene."

Japanese/ezo dwarf flying squirrel

An adorable squirrel that has pure black eyes and lives in japan. It lives in cold climates and eats like an average squirrels (nuts and seeds). They use their arm flaps to fly across up to 10 feet distances (and more).

Me:Look at that Japanese/ezo dwarf flying squirrel!

My sister: I know right! It’s adorable