This is the male equivalent to a baby shower. When the mother of the child has a baby shower, the father of the child has a Diaper Party, at which his buddies (usually the significant others of the women attending the baby shower) bring cases of diapers and beer.
Hey man, is your Diaper Party the same day as the baby shower?
by Raver047 July 31, 2009
A party where all the attendees wear diapers and usually use them for their intended purpose
"Did you hear? Sue went to Mike's diaper party last week and enjoyed it so much that she's been wearing diapers ever since.
by iminpampers April 28, 2011

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