Alternate definition: to hit, throw, or send flying. To move ungracefully.
This definition has been around for seemingly decades, though nobody is quite sure of it's origin. Some believe it derives from the english word 'blubber', known for being squishy and bouncy, and the word 'bonk'- to hit or tap ungently.
"When Brian told me about that new article, I was totally flubberdonked!"
"She came over to me and flubberdonked the book right out of my hand."
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)