The iconic chest thumping was never in the script. Mathew McConaughey was doing his usual pre-scene warm up when Leonardo DiCaprio saw it and asked him to do it

The iconic chest thumping was never in the script. Mathew McConaughey was doing his usual pre-scene warm up when Leonardo DiCaprio saw it and asked him to do it on camera and instantly unscripted moment became legendary. [▻](https://video.twimg.com/amplify_video/2087574132372148224/vid/avc1/934x52…