"Hibok" is a word in HILIGAYNON

híbok - To move, stir, wriggle, writhe,
squirm, budge, flutter, palpitate, quiver,
show life by moving. Nagahíbok ang úlud
sa dútà. The worm is wriggling on the
ground. Pahibóka iníng mán-og, kay tanawón ta kon napatáy na ukón walâ pa.

hibál-an – hígkò
Stir this snake that we may see whether it is
dead or not. (cf. húlag, íbok, etc.).