Alright so I know what Yuri and Yoa is but what is.....hentai and hetalia......10 Requisiten for answering

Hentai is Anime porn.
Hetalia is Japanese for "Gay sex".
I'M KIDDING. IT'S A TV Zeigen ABOUT HISTORY XD

Du mean, "yaoi" ^^

Hentai means pervert. But it's also referred to Anime porn basically.

And Hetalia? I have no idea how it's related to it,but it's one of the best Anime shows I've seen! ^^ I'll post a picture of the Allies~

Hetalia is a Zeigen where all the characters are personified countries, it's so stereotypical but hilarious!

Hentai means pervert
Hetalia is an awesome Anime about stereotypes

Hetalia FTW!!!!!

Hetalia is an awesome anime...how did it get related to those other words? xD
Oh yeah....cause of the hot bishies.

XD Hentai and Hetalia lol

just repeating what the other ppl said:
Hentai means pervert
Hetalia is an awsm Anime about countries

don't mix the two up XD

Whoa... Hetalia is some kind of sexual otaku slang term now? xD As far as I knew, it was just a comedic Anime series that accumulated too much attention than it's really worth. Oh well .u.

'Hentai' is a word used to describe a pornographic Anime series.

well since Du already know what Yaoi and yuri is lets go to hentai! hentai is for 18+. basicaly japanese Anime porn. it has some really inapropriat stuff. then hetalia, well its a Anime show. i have never seen i but i dont know the point of it but its a show