half-speak 

To attempt to participate in a conversation while still listening to headphones in one ear, in an attempt to look cool and aloof. The action often generates contempt for the half-speaker.

"God, I'm sick of Hamish and Joseph half-speaking all the time!"

half-speak by Fukwit Fred January 17, 2006

half-speak 

To understand so many languages that you get confused.Therefore,you half-speak it.

I half-speak German, Italian, and Japanese.

half-speak by waterdude125 June 23, 2011

half speak 

Saying something that only gives a small amount of actual information; speaking without depth, detail or reason.

You said the problem with the company is leadership, but that's just half speak, it's a general statement without any real information.

You complain so much about him but you never really explain what’s going on, it’s just half-speak.

half speak by Sara McCracken April 20, 2019