YAK Views 7 meanings found YAK is widely recognized online as shorthand for “you already know,” while in other contexts it refers to the Alaskan town of Yakutat and the Russian Yakovlev aircraft design bureau. Miscellaneous Yet Another Kommodity The Year of Anti-Kids Governmental Yakovlev Aircraft Yakovlav Aircraft Design Bureau (Russian) Regional Yakutat, Alaska USA Internet You Already Know You Are Kool