**[chest beating][1]**:

> 1. Doing an action for the sole purpose of being a show off
>
> 2. Trying to outmatch someone else
>
>*Brotatoe 1: Bro! I can bench like 300 pounds.*
>
>*Brotatoe 2: Dude! I can bench like 300 chicks!*
>
>*Girl: Are you guys done chest beating? I would like to finish this game of Monopoly.*
>
>    -- Urbandictionary.com

  [1]: http://www.urbandictionary.com/define.php?term=chest%20beating