1. The exclusive
sexual attraction to Uzumaki Naruto from the popular
Japanese anime and manga, "Naruto," and nothing/no one else.
2. The exclusive
sexual attraction to narutomaki, a Japanese fish cake (kamaboko) topping on Japanese noodles, such as ramen.
Example (#1)
Uchiha SasukeSomeone: "Hey, Sasuke, are you gay? Girls drools all over you, yet you simply ignore them."
Sasuke: "Nah, dude. I'm narutosexual."
Example (#2)
Person A: "Wow, that narutomaki
fish cake looks hot."
Person B: "Bro, are you like, narutosexual?"