DonQuixote said:
PS: What's a knicker?
Are they jocky or boxer?
knick-ers Pronunciation[nik-erz]
–noun (used with a plural verb)
1. Also, knick-er-bock-ers Pronunciation[nik-er-bok-erz] loose-fitting short trousers gathered in at the knees.
2. Chiefly British. a. a bloomers like undergarment worn by women.
b. panties.
3. British Informal. a woman's or girl's short-legged underpants.
—Idiom4. to get one's knickers in a twist, British Slang. to get flustered or agitated: Don't get your knickers in a twist every time the telephone rings.
Definitions #2 and #3 give you an indication of where the New York Knicks got their team name.