Effeminate underwear, briefs (usually) with no "Y-fronts", jocks, panties, knickers. Origin of word - Punjabi (India/Pakistan). Popularised in British English by usage in BBC comedy series "Goodness Gracious Me".
The noun "chuddies" is feminine. The masculine of it would be "chuddas".
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.