Flaberganus 

the flap of skin between your balls and your anus: also know as taint or the DMZ.

We have been riding bikes all day, my flaberganus is real sore.

Flaberganus by Den Bover February 4, 2010

Flabergushta! 

Word used by tramps, literally translated into THE queens English as'I Have NO IDEA!'

Da Gaz: Why arn't you on income support?
Tramp: Uh, Flabergushta!

Flabergushta! by Da Gaz December 27, 2004

flabergander 

another name for the penis.

Holy cockballs, that girl just touched my flabergander!!!!!

flabergander by I Love JD!!!!!! December 7, 2003

Flaberhannsed 

Flabbergasted, astonished, amazed

“I had intercourse with your mother last night”
Bro was to “flaberhannsed” to speak*

Flaberhannsed by Fredrik Dunder August 2, 2023