faceplamm - A faceplamm is when your face gets smacked so hard by your h

A faceplamm is when your face gets smacked so hard by your hand you think it might fall off because you just did the worst thing ever.

I wore my sock on my head to class. I faceplammed and hid under my desk.

I told my crush I was in love. It was my brother. I faceplammed and died.

I tried to do a magic trick and failed. I faceplammed and ran away.