hetfic /ˈhɛtfɪk/ noun2 •(slang) A fanfic based on fictional characters or celebrities involved in an opposite-sex romantic and/or sexual relationship.Since I'm always looking for new and different directions to take these characters in, I'd love to know what you *would* like to see in a Kira hetfic. — 2004 •(slang) Such fan fiction collectively.I -do- also read hetfic when there's a straight couple I like. — 2002 formshetfics