What is the meaning of Pluć?

to spit (to evacuate saliva, sometimes as a sign of contempt) [with na (+ accusative) or w (+ accusative) ‘at whom’, along with accusative ‘what’]

to spit (to evacuate saliva or another substance from the mouth, etc.)

to affront, to insult

to shoot (to fire a hail of bullets)

Source: wiktionary.org