This is a combination of "cat fishing" and "gas lighting". When some pretends to be someone they're not and then tries to convince you that they never gave you that idea.
This guy tried catlighting me. I was convinced when we chatted that he was a Top... but he was on all 4s as soon as we met.
cat·light
/ˈcatˌlīt/
verb
gerund or present participle: gaslighting
Manipulate humans (and dogs) using psycatogical methods into questioning their own sanity or powers of reasoning. Ex. meowing at nothing as if something is there or meowing and pretending you didn't.
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).