I mean per my previous comment: define "inside" "joke" "shared" "internet" "certain number" "agree" "one mind" "another mind"...
I could email myself the letter "e" and then say "this is funny" to myself and it would meet this definition
I mean per my previous comment: define "inside" "joke" "shared" "internet" "certain number" "agree" "one mind" "another mind"...
I could email myself the letter "e" and then say "this is funny" to myself and it would meet this definition