the act of displaying a close friendship between two friends by getting as undressed as you both feel comfortable and either hugging, snuggling, or any display of affection you feel apropriate. pushing the limits is encouraged.
john and sally get in there underware and hug to show there love & friendship for each other. they are officially birthday suiting
by master69man August 24, 2011
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Get the birthday suit mug.one's bare skin (from the fact that a person would not have any clothes on the minute they were born)
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