flircasm 

Flircasm: Flirting with sarcasm. Sarcasm that is intended for only your partner to understand. Sarcasm that isn’t offensive by its nature.

You could tell they were getting along by their Flircasm.

flircasm by Hardgore January 9, 2023

Flirtcasm

A sarcastic joke which is positively intended, and is mainly used to flirt with the recipient of the joke by using certain information about the recipient that is known to the originator of the joke.

Boy: I’m leaving on a trip tomorrow. Let’s meet when I’m back.
Girl: Oh, where are you heading to?
Boy: Mauritius*, wanna come along?
Girl: Flirtcasm, huh?
*the girl is from Mauritius

Flirtcasm by Mindobye January 31, 2022

flarcasm 

A cross between flirting and sarcasm.

Orlaith and Michael have some serious flarcasm going on

flarcasm by Dit12345 December 5, 2015