fleckenstein 

A very rare last name that very few families have. It also used to be a city in Germany but was destroyed in WW2. There is only remains of the castle left, Castle Fleckenstein.

Scott: “Wow! Your last name is Fleckenstein? Special!”
Ian: “ Yeah i know. I’m pretty great.”

fleckenstein by 🍫 October 6, 2018

Fuckenstein 

Fucking someone back to life

Dude i just fuckensteined my grandma

Fuckenstein by BaB Money December 16, 2015

flankenstein 

A name given to a FPS gamer who constantly flanks to get kills

"So I was playing COD yesterday and some flankenstein came up from behind and shot me"

flankenstein by snen😆 August 3, 2016

Flakenstein 

Someone who is a monster flake. A term used for people who bail constantly and cant commit. Also commonly used as McFlakenstein, but for a more serious offense.

Hes not coming now! What a Flakenstein!

Dude dont even bother inviting that dandruff McFlakenstein.

Flakenstein by Andizzle-Dazzle May 8, 2008

Felchenstein

Licking out the cum from a dead guy/girl's butthole

Do you remember that dead body at the graveyard? i gave it a felchenstein and a half baby!

Felchenstein by Joe May 13, 2005

Fuckenstein 

King of monstrously fucking up in a "you blew it dude" sorta way.

Your friend pisses himself trying to get some from a hot chick.

You say "Fuckenstein, you need a mop"

Fuckenstein by Gothic April 29, 2005

Fleckstein 

A small fleck of dirt transitioned onto your person when passing a synagogue.

Barry what have I said about walking passed Synagogues? You have flecksteins all over your best shirt!

Fleckstein by Crazywazie January 19, 2011