What does “cx” mean?

"cx" means "sincerely"

“Cx” is a smiley face, but also an alternative shortening of the word sex. Used to slip sex into a conversation, while smiling.

Also “cx” may be the awesome type of debate which has people speaking 250 words/minute and ensures an intensifying feeling throughout the round.
CX in text slang is "cancelled"
Also “cx” means “sincerely” or the meaning of CX in text slang is “cancelled”.

In business marketing “cx” means Customer (E)Xperience.