Among programmers, yet another (often abbreviated ya, Ya, or YA in the initial part of an acronym) is an idiomatic qualifier in the name of a computer program, organisation, or event that is confessedly unoriginal.[1]
Stephen C. Johnson is credited with establishing the naming convention in the late 1970s when he named his compiler-compiler yacc (Yet Another Compiler-Compiler), since he felt there were already numerous compiler-compilers in circulation at the time.
The name Yahoo! is supposed to stand for 'Yet Another Hierarchical Officious Oracle' but Filo and Yang insist they selected the name because they considered themselves yahoos.
Yahoo stands for 'Yet Another Hierarchical Officious Oracle.'