When you position your hand horizontally, grab one's face and proceed to swiping in a downward motion, palm down; Usually done when one is acting in a foolish manner. Can be done with wet hands for better results.
As a group of friends rock out to a 80's hair band genere of music, Mo sings the wrong refrain to a commonly known song and as a result to this Tom hits her up with a solid "facewash"
โดย Tommy Caps with appreciation to Cemelli 10 ธันวาคม 2004
The Urban Dictionary Mug
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