As nouns the difference between knickerbockers and underpants
is that knickerbockers is ; new yorkers, particularly descendants of its original dutch settlers while underpants is underwear, clothing covering the genitalia.
knickerbockers
English
Noun
(
en-plural noun)
Men's or boys' baggy knee trousers, of a type particularly popular in the early 20th century.
Derived terms
* knickerbocker
* (UK) knickers
underpants
English
Synonyms
* (underwear) boxers, briefs, bloomers, (UK'') pants, panties, (slang) undies, tighty whities, knickers, drawers, (''slang, New Zealand ) gruds, longjohns, thong, underwear
See also
(Other terms of interest)
* boxer shorts
* kegs
* knickers
* panties
* Y-fronts