Ochinchin is a word used by young Japanese children, mostly boys, to refer to a penis. It's usually used in an innocent, teasing context. In true shota, it is used a lot.
In the shota anime Pico to Chico, Chico remarks that his ochinchin feels funny, after watching his sister masterbate.
The mighty Chin-Chin's (FilthyFrankShow) Japanese name is "ochinchin" (also a Japanese slang term for penis) and "Ore wa ochinchin ga daisuki nandayo" basically means "I fucking love Chin-Chin" or "I fucking love dick".
The sentence is used by Chin-Chin and it's basically all the words he's ever spoken.
Salamander man playing assflute in the mighty assflute language: Franku, OMFG it's that fucking cunt Chin-Chin again.
Franku-Chan: Oh no.
Chin-Chin: Ore wa ochinchin ga daisuki nandayo.
A word that is used to describe something that is totally lame, or really sucks. This word can also be used to describe a person who is acting lame or annoying. This word is usually used to make fun of something or someone. (See examples below.)
Friend 1: What'd you get for your birthday?
Friend 2: Some book...
Friend 1: Haha, wow that's chinchinjewitz!
Friend 1: Yo, you coming out tonight?
Friend 2: Nahh, my parents won't let me.
Friend 1: Wow, that's chinchinjewitz.
Mother: Johnny wants to know if his friends can come over.
Father: No, he has been being chinchinjewitz all day.
Friend 1: Eww, what the hell is that?
Friend 2: I don't know, but it's chinchinjewitz!
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.