An abbreviation of "cisgender heterosexual", often used among the LGBT community as a slur or to silence peoples' opinions.
A: "I'm just a guy who likes women."
B: "Oh, so a cishet then."
A: "Sure, but you can also just say straight guy. It's a lot nicer."
A term describing a cisgender and heterosexual person. Cishet is often used by people in the LGBT+ community, likely to silence a person's opinion or to insult them.
Example 1:
A: "I am a heterosexual biological man and I don't think gay couples are ok."
B: "You're a cishet, you have no say in that."
Example 2:
A: "I, as a man was pressured into romantic activity with another man and I, as a heterosexual, feel violated."
B: "You cishet, stop being such a bigot."