The act of wearing a life jacketupside down like a diaper in order to make your upper body less constricted. This is usually done while drinking copious amounts of Pabst Blue Ribbon or other inexpensive beers in an ocean or lake.
The process of putting two diapers on a baby or child, rather than one. Mothers who use cloth diapers on their children quite often use the option of 'double diapering'.
Someone who expresses obvious interest in forming a relationshipsignificantly younger than them. It's a compound word with "diaper" referring to youth and "sniper" referring to genuine interest (on the prowl).
"Did you see that Diaperpiss posted on their account?"
"Man I'm so in love with Diaperpiss"
"Randy Davey and Michael need to be put behind bars"
"Guys play it cool Diaperpiss is online"