Like 'sillind' this word has its origins in Co. Mayo, Ireland.
A group of rather ingenious girls with a penchant for words ending in 'ind' or 'kins' is responsible for this revolution in English.
Supposed to be the second day after Valentine. Celebrated by two persons who truely hate each other like hell. The mood between them is like the world goes down.
Rituals include ashes, voodoo playdolls, turned over crosses.