Background: When people call something or someone "So Gay", they are often considered to be covering up their own latened homosexuality. These people also do gay things and then claim "No homo", making it ok.

By this reckoning, one can assume that if a person were to call things "So Straight" all the time, they are merely reinforcing their own heterosexuality. Hence the term "No Hetero"
Frank: Hey, hows it going Steve? *slaps steve's ass*
Steve: I'm pretty good man. *slaps back*
Frank: Hey! No hetero!
Steve: Yeah man. No hetero.
by ColourOfJazzee May 1, 2009
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No hetero is what you say to a friend of the opposite gender in place of "no homo"
John: wouldn't it be funny if we had sex lol
Jane: lol yeah no hetero
by SexHaver212 March 13, 2018
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someone who does stereotypical hetero-normatives/gender norms. things that heterosexual people have grown accustom to. (also, heterosexuals who are unaware of LGBTQ culture)
girl: i love my boyfriend! i want to cook, clean, and feed him. he's the love of my life! i would never turn lesbian, i love penis tooo much.
gay friend: you're so hetero.

guy: i'm afraid of commitment, i'm not ready to move in with my girlfriend of 6 years.
gay friend: you're so hetero.
by deemfong.h February 16, 2012
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A phrase a person uses when they do a straight person action
Steve: I heard you fucked Jane yesterday. I thought you were gay.
Brian: it’s ok I said no hetero
by Backed ruffle sandwich June 6, 2018
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When you to give a complement to the different gender, but don't want to give off romantic feelings.
Boy: You're looking good today no hetero
Girl: Aw thanks
by {I'm_pretty_gay} February 4, 2020
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Basically the same thing as No Homo, but shorter and easier to say.
Man 1: Dude, did you see his ass?
Man 2: You're so gay!
Man 1: Hetero.
by Kevin From Conn July 7, 2009
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After some one says " no Homo" you say " no hetero" to be funny, because you're not really gay.
Dan: " Man just stick it in. No homo"

Mike: " no Hetero"

Dan: walks out*
by the_lifeguard November 16, 2010
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