Do you first confirm that it lacks meaning? If not, I imagine it wouldn't be terribly uncommon for your subconscious to pick up a word somewhere without your knowing what it meant, and you might assume it had none and that you'd made it up yourself. Could lead to some awkward moments if the other party actually knows what it really means.
Otherwise, this sounds hilarious.
I get that this could be great for mimicking the mouse click/drag, or for interactive boxing games. But what about its law enforcement potential? How long until this is used to detect possible domestic violence?
Top Ten Things Overheard At The ANSI C Draft Committee Meetings: (4) How many times do we have to tell you, "No prior art!"