Blowing raspberries is a colloquial term for making a noise that sounds similar to the sound produced when a raspberry is blown. It involves sticking out the tongue and forcefully expelling air ...
There is a three-second video on Wikipedia titled "A Man Blowing a Raspberry." It's a brilliant, Oscar-worthy performance. I encountered the video while trying to figure out why the raucous sound made ...
The first time it happens, you don’t expect it. Your baby looks at you, sticks out her tongue and makes a gentle razzing sound. It’s almost impossible not to smile and make a raspberry back at her.