A mix between the words sex and expectation. Sexpectation is when one person assumes that sex with another guaranteed.
When Johnny invited Kim over to watch a movie alone with him, he assured her that he had no sexpectations. It eased her mind.
Or
"Why can I never meet a man who just wants to chat?" says Kim, "I'm sick of men's false sexpectations!"
Or
"Why can I never meet a man who just wants to chat?" says Kim, "I'm sick of men's false sexpectations!"
by Jamanimal March 15, 2014