Act like you listen to Sinatra Share definition Flag To act sophisticated, well-mannered, and classy. "Dude, stop messing around, we're at a wedding! Act like you listen to Sinatra!" Act like you listen to Sinatra by BigBoy88 May 19, 2014 0 0 Get merch Get the Act like you listen to Sinatra mug. Buy Now — $32.95 See more merch