An expression describing the act of having ejaculate on ones face. Oyster in reference to the smell, color and consistency of semen being similar to a raw, shell-less oyster.
"I heard your brother gave Amy a little oyster face the other night."

Echh! I feel so gross right now. Danny gave me oyster face this morning and I can still smell it. That stuff never comes off."

"Take it to the base, then OYSTER FACE!"
by Fattius J Guy May 29, 2009
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