Facepalm
poneɾse la mano en la kaɾa kuβɾiɾse la kaɾa kon la mano komo xesto
In Spanish Ponerse la mano en la cara; cubrirse la cara con la mano (como gesto).
The gesture of placing one's hand over the face as an expression of embarrassment, frustration, disbelief, or shame.
Example
"When he dropped the cake, I just had to facepalm."