flippydoo 

it works like thingamabob or whatsits; a word for the thing that you can't think of at the moment

Jerek what is this flippydoo?

flippydoo by lotuspanda March 15, 2008

Floppydoggin' 

laughter late at night. Comes while extremely tired. Usually uncontrollable.

If it is 3 in the morning and you can't stop laughing, odds are you are floppydoggin'. It can happen anytime you are really tired but it is usually late at night.

Floppydoggin' by Fletcher Knoxville September 15, 2007

flappadoodle 

the flappy area after dogs get their balls cut off

awe stevie your flappadoodle is out again!

flappadoodle by Koutro October 18, 2010

Flippydip 

A word used in replacement of "F*ck" when in the presence of important/formal company.

Also, anyone who uses it, is instantly the sexiest man/woman in the world.

"What the flippydips! Why would you spill milk on my favourite sweater?"

Flippydip by #respektwomen June 1, 2018

floopydoopy 

The word you would use when you feel overwhelmingly silly or weird.

I didn’t care what they thought, I am naturally floopydoopy. Deal with it.

floopydoopy by Lookatmycoolsocks December 16, 2018

Floppydoowah 

When a male flops his cock up and down to make smacking sound against his stomach and balls.

Holy shit, Stephen just did the loudest floppydoowah I've ever heard!

Floppydoowah by Rofl_Trio July 25, 2010

flipperdoodle 

(noun) a person that acts mentally retarded or is a complete douche

"dude shut up, fucking flipperdoodle"

flipperdoodle by oswald123 September 10, 2011