Someone who has to supervise at a camp or hotel to make sure that none of the high school students at an event sneak in and out of rooms to have sex. Also known as PPP.
With the cheerleading camp sandwiched between the football camp and soccer camp, Joel knew he’d be on pregnancy prevention patrol until his replacement came at dawn.

Mrs. Rivera was an expert at pregnancy prevention patrol. It’s like she could hear a hotel room door opening from two floors away and that’s why they always had her go on the band trips.
by Brett Burkhardt April 27, 2008
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