Adj. Used to describe a remark or statement as being funny/humorous in relation to people of Jewish descent and/or the Holocaust.
Little Timmy: How many Jews can you fit in a four door sedan?

Hannah Banana: How many?

Little Timmy: Two in the front, two in the back and about seven million in the ash tray.

Hannah Banana: Oh Timmy! You are Hitlerious! Kiss me.

by IheartCautionMan March 3, 2009
(adjective) any politically incorrect Holocaust joke that is still laughed at by a group of non-anti-semetic people.
Steve: Having trouble concentrating?

Brad: Yeah ::scratches head::

Steve: Maybe we should send you to concentration camp!

All: Hahahahaha.

Brad: That's hitlerious!
by Skiles2000 April 26, 2009
adj. (Hit-lar-e-us) the comedic act of extreme nazi-ism or extreme predjudice.
Those jews got Pwn'd shit was so Hitlerious.

Cops beat this nigger on the side of the road for no insurance, I lol'd hard it was so Hitlerious
by Lord Broseph March 17, 2010
Do you think Clinton's wife could be president?
No Hitlery already got beat by Trump
by Elalacran October 4, 2021
A radical fascist feminist dictator wannabe that ran for POTUS in 2016, but lost to a radical misogynist Tronald Dump.
Did you vote for hitlery clittorn in 2016? Oh, I see, you have a brain cancer.
by Murdoc Kylburne February 19, 2017