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The process of a person entering prison and using the block showers for the first time.
Under normal circumstances when the soap is inevitably dropped, an African of descent man shall appear behind the recipient and proceed to 'baptise' him
Dude did you hear about Johnny?

No? Why what happened?

He just got convicted and he told me that he got a Prison Baptism on the first day
by Famallamalam May 25, 2016
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