kixxinv 

When you mistype the word "kidding", and end up having a semi-threatening, half-serious sort of tone.

"dw, im kixxinv"
"ok..."

kixxinv by Cringe Theatre Kids May 20, 2025

kixxing 

like kissing, but more x-rated. Kixx (noun) can also be used

We started kissing, and then we starting kixxing.

kixxing by leenirama April 10, 2016