puzati

1. (of a baby, person) to crawl
   Naš sin je počeo da puzi sa osam meseci. — Our son started crawling at eight months.
   Vojnici su puzali kroz blato. — The soldiers were crawling through the mud.
2. (of a snake, insect, plant) to creep; to crawl
   Zmija je polako puzala kroz travu. — The snake was slowly creeping through the grass.
3. derog. (before someone) to grovel; to cringe
   Ceo život je puzao pred šefovima. — All his life he grovelled before his bosses.

In the sense 'grovel' it usually takes pred + instrumental: puzati pred nekim.