Wiktionary
show-offs
n. (show-off English)
Usage examples of "show-offs".
But she is further well served by having show-offs as neighbors, with whom she can trade occasional adulterous sex for extra meat supplies for herself and her kids.
When Hawkes estimated the values for the Ache, she concluded that, over a wide range of likely conditions, show-offs can expect to pass on their genes to more surviving children than can providers.
I don't claim to have measured what percentage of American men rate as show-offs rather than providers, but the percentage of show-offs appears not to be negligible.
Only show-offs would want to broadcast, and show-offs would not make the apparatus.