On a limited basis I was very good at it.
I could send messages which were unerringly received.
"I'm horny and you're hot." That's the one which was easiest to send, and as long as the recipient was in the same room or vehicle it was understood. Not always positively, I might add, but not always negatively.
"You're brother is an asshole" is another.
I was pretty good.
Arf