A heterosexual person who at times can find members of the same sex sexually appealing
by BiPat September 13, 2004
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An inbetween between bisexual and straight. A person who is mainly straight but does sometimes find the same gender appealing. Most of them could imagine having a homosexual relationship, but they mainly have heterosexual relationships.
Vanessa: "Are you straight or bi?"
Ashley: "I'm about 90% straight and 10% bi, so I'm heteroflexible"
by Clara Bieber September 26, 2015
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I knew she was heteroflexible the minute she walked in the room.

Dude, it's not my fault. I was drunk and it was fun. What can I say? I'm heteroflexible.
by KingdomO October 08, 2010
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A primarily straight individual who, in certain situations can find persons of the same sex appealing.
Max: Heteroflexible?
Frankie: It means I'm straight, but shit happens.
by Aerelon June 03, 2009
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A mythical sex move, desired by many and achieved by few.
Boy 1: Yeah, Allie is coming over tonight.
Boy 2: I heard she can do the heteroflex.
Boy 1: Well I guess I'm about to find out.
by lm11235813 February 10, 2011
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A person who identifies as a heterosexual, but is not afraid to explore curiosity towards the same sex.
Nathan: What's heteroflexible?
Brian: It's where someone is straight, but isn't opposed to sex with another man or woman.
by Brian June 18, 2006
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A person who identifies themselves as primarily heterosexual but can find the same sex sexually appealing.
Most girls I know are heteroflexible.
by Syzygy April 01, 2003
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