(ABDL, North America, colloquial, uncommon) In fiction and art, a diaper that cannot be taken off once worn.
Guess who's thinking again about how insanely hot 0 subtlety latex clad permadiapers are? I'll give you three guesses...
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.