DCHP-1 Online
hyak ((v.)) hyack, hiak [< Chinook Jargon] B.C. 
v. hurry up; hasten.
- 1936 The 'breed spoke again. ". . . you wise lak trap-line carcajou, an take differen' trails on way home . . . Skunk-Bear wen' after you wan tam an he didn' come back . . . So we tie you op an den hyak to camp. . . ."
- 1959 . . . the firemen were called by the name used to describe them by the Indians--hyack, meaning "hurry up."
- 1936 The 'breed spoke again. ". . . you wise lak trap-line carcajou, an take differen' trails on way home . . . Skunk-Bear wen' after you wan tam an he didn' come back . . . So we tie you op an den hyak to camp. . . ."