A Metal head kiss is when you and your partner stick both of your tongues out at the same time and make them touch, but only a touch, any longer is just an ordinary tongue kiss.
Dave:" I Metal head kissed sandra last night, weird feeling"
Gary:" Oh, I might try it with Ash tonight, blast some slayer cuz why not"
Both in unison:" FUCKING SLAYER!!!"
by GHFDSNJFT January 12, 2020
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