Top Definition

When one skinny dips in the freezing ocean at night time. At least one other person needs to be a witness to be officially indicted to the club.

Terms and Conditions
*Must Be At Night Time
*Water Must Be COLD
*NO clothes!
*At least One Witness
*Photos or it Didn't Happen
Bob: Bill Guess what i did last night?!
Bill: ??
Bob: I joined the Polar Bear Club!!
Bill: Wow, did your dick fall off?
by v-master1988 June 11, 2010

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