When you place your balls on top of your penis and said structure resembles a snail. Then said structure is placed gently upon your bae's forehead.
Yo Whitney, you know I'm putting this snail helmet on your head after you lost the bet.
by OhHealzYeah November 21, 2015
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After talking to this chick for a while, she told me that she had never been with an anteater...only with guys that sported a snail with a helmet.
by DrWatson August 25, 2005
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