Cebuano
v. 1. conk someone on the head. Katuka siya sa martilyu, Conk him with a hammer; 2. become stupid, slow to understand and lacking in sense (as if having been hit on the head). Mukatuk siya kun higutman pag-áyu, He gets so he doesn’t understand readily when he is very hungry; n. blow delivered on the head; a. lacking in good sense as if one has been conked on the head.