floompfh 

can be used as an insult when a friend makes a bad joke and you can call them one.

what do you get if you cross a kangaroo and a sheep?
i dont know.
a woolly jumper xD
oh dim, you are quite the floompfh.

floompfh by Caz~! August 29, 2007

flake flake floomph 

A small, light Cornflake-like dried bugger that falls from the nose and floats effortlessly to the ground.

Dude, you just floated a flake flake floomph.

flake flake floomph by Brian April 15, 2003