Holler/ˈhɑːlər/ Definition 1 of 3Pro Tip 1/3Urgency or Excitement Used when someone wants to attract immediate attention or express strong emotion. He hollered in excitement as he crossed the finish line. Pro Tip 2/3Informal Situations Most appropriate in casual contexts; considered too informal for serious or formal events. At the concert, everyone hollered along with the music. Pro Tip 3/3Volume and Emphasis Implies a higher volume and sometimes a sense of urgency over 'shout' or 'yell'. Can you holler a bit louder? I didn't hear you the first time.