Grandstanding means seeking attention, applause, or approval from others by putting on a show or acting in a way to appear more important, impressive, or moral than one truly is. Full definition
The Seneca Nation, in response to the Niagara Falls casino threat by the governor, accused Cuomo of grandstanding in public instead of negotiating with Seneca leaders to address the problem. (buffalonews.com)
Of course, you might say Buffett's promotion of index funds is just the ultimate in grandstanding for his own abilities as an active investor. (monevator.com)
According to YNN's Matt Hunter, McLaughlin yelled at Gordon, accusing him of grandstanding at a time when he should be focused on the late state budget. (nystateofpolitics.com)