by Eddie Winkle (NWM Staff Writer)
Saw Ally Sheedy do it in the Breakfast Club and never could figure it out, until now.
Open your mouth wide, but close your lips to form a tiny “O”.
Repeatedly flick your finger against your cheek until you can make a popping noise.
Step 3. (the hard part to master)
As you flick your cheek, make a sort of whistling sound with your mouth, using your tongue to push out air. You only need to push out a little bit of air and should last about half a second each time.
Repeat until you get it right or go crazy.