I Didn't Know a Grown Man Could Make This Noise

Was watching the Bruins game the other night as they took on the Sens in Ottawa and Chara was called for a penalty. Despite Jason Spezza just acting like a complete girl scout at the 23 second mark we hear Jack Edwards (Bruins announcer) make a noise with his mouth that I didn't even know a human was capable of making. I was absolutely shocked that this noise overcame my computer speakers. Unreal, but can't stop listening to it.